Summary

Most TV shows and franchise have made mistake with plot hole or persistence errors , but some have generate so off - racetrack that their canon ’s are completely broken . This does n’t make the show any less enjoyable to watch over , andwhen a serial publication has gotten big enough to be considered a franchise , there are so many episodes and characters that smaller changes and rewrites can go unnoticed . However , a broken canon can get back to haunt author and creators of a show when the duel game points arrive into dispute .

When a telecasting show ’s internal canon get going to violate down , the timelines do n’t match and retcons are follow through , making it unmanageable to accompany the plot line

turgid franchise likeStar Warsor Marvel are juggernauts , get so many movies and television shows , it was inevitable that the canon would become puzzling . However , changes to MCU canoncan happen because the universe is so far - reachingthat it ’s plausible everything exists at once . alas , not every TV show has the staying powerfulness and influence of the MCU orStar Wars . When a television show ’s internal canyon set about to break down , the timeline do n’t match and retcons are implemented , making it difficult to keep up the storyline

Lance Barber’s George Sr looking sad in a kitchen from Young Sheldon

10Doctor Who (1963 - Present)

After traveling through time and space for over 50 years, there are some mistakes

Cast

The latest MD Who series introduces the Fifteenth Doctor , joined by young fellow traveler Ruby Sunday .

Few science fable franchises are as successful and long - break away asDoctor Who , and part of that is because the serial publication continues to reinvent itself and surprise the hearing . Sincethe Doctor can travel anywhere and anytime across the existence , this get to the doorway to practically unnumerable escapade . However , as the author are only human , there ’s been some intersection and rewrite of the dominion . When the series was first revived in 2005 , the Doctor was already on their ninth regeneration , this was a challenge as a time lord only gets 12 .

Most lately , it was revealed that the Doctor is n’t a Time Lord at all , and many audience members are wondering if this plot line will be retconned in the come seasons .

That ’90s Show stars Kurtwood Smith and Debra Jo Rupp as Red and Kitty Forman looking up suspiciously from the kitchen table

However , through a throwaway game point , the Doctor get a whole new string of positive feedback so the show can keep . Most latterly , it was revealed that the Doctor is n’t a Time Lord at all , and many consultation members are wondering if this storyline will be retconned in the come season . Outside the Doctor as a fictional character , there have also been many occurrent of episode creating intricate time paradox that never come back to stalk the characters with little to no explanation . Many ofthe most egregious errors occurred during Matt Smith ’s land tenure as the 11th Dr. .

9The Big Bang Theory (2007 - 2019)

Because of the prequel show, Young Sheldon, the original canon is up for debate

The Big Bang Theory : This sitcom follow a grouping of socially awkward scientists and their fundamental interaction with each other and the people around them . Centered on physicists Sheldon and Leonard , the serial publication humorously explores friendly relationship , romance , and the quirks of spirit among an eclectic grouping of academic .

One of the most democratic characters onThe Big Bang Theory , Sheldon Cooper ( Jim Parsons ) , was such a compelling character , that the franchise Jehovah decided to give him his own spinoff show . However , the pick to make this series , Young Sheldon , a prequel , has caused some problem with the canon of the original show . When consultation encounter Sheldon inThe Big Bang Theoryhe still has a lot of germinate to do , and he has a strained relationship with his family . However , Young Sheldoncouldn’t keep its characters stagnant just to remain true to the canyon .

A TV show is only effective if the characters learn and grow , and if the kinship dynamics do the same . Many key graphic symbol inYoung Sheldon , like Sheldon ’s mammy , Mary , are unrecognizablecompared to who they are inThe Big Bang Theory . While this makesYoung Sheldona better show , it also changes the perception of Sheldon inThe Big Bang Theorybecause the electropositive moral force he had with his family has disappeared . The two shows exemplify how difficult it can be to maintain the integrity of an original show when making a prequel .

(Ncuti-Gatwa-as-The-Doctor)-from-Doctor-Who-and-(Jim-Parsons-as-Sheldon-Cooper)-from-The-Big-Bang-Theory

Image by Yailin Chacon

As Young Sheldon season 7 sets up George Sr ’s death , the show ’s change to The Big Bang Theory ’s canon are making the impending tragedy even sadder .

8Star Trek (1966 - Present)

Many shows and movies have created contradicting events

Star Trek is one of soda water acculturation ’s biggest multimedia franchise , spanning multiple movies , TV shows , books , comedian , video games , and various other medium . The dealership was make by Gene Roddenberry and begin with the 1960s TV serial asterisk William Shatner and Leonard Nimoy . Over the decennary , several equally popular series have fall out since as Star Trek : The Next Generation and Star Trek : Discovery .

Beginning in 1966 withStar Trek : The Original Series , the films and telecasting appearance have chronicle the adventures of different starship crews explore the universe of discourse and defend it from evil .

Two of the newest shows in theStar Trekcanon areStar Trek : DiscoveryandStar Trek : Strange New Worlds , and they each take a different glide path to expanding the franchise ’s universe . Beginning in 1966 withStar Trek : The Original Series , the film and TV shows have chronicled the dangerous undertaking of unlike spaceship crews exploring the universe and defending it from wickedness . Some of the most notablecharacters like Captain Kirk and Spock have appeared in many stories and observe their longevity .

Headshot Of Ncuti Gatwa In The US premiere of the new season of the Disney+ series Doctor Who

The latest Doctor Who series introduces the Fifteenth Doctor, joined by new companion Ruby Sunday.

Star Trek : Discoveryhas brazenly broken canyon the most in recent years . The serial created the reference , Michael Burnham ( Sonequa Martin - Green ) and made her the adopted human sister of Spock , even though she did n’t subsist before the new show . Additionally , one of the main adversary of theStar Trekuniverse , the exotic race the Klingons , are constantly being rewritten and changed to befit whatever narration they ’re being introduced in . Since many timelines are being juggled across the stories , there are still chance forKirk to break canon inStrange New Worldsto further differentiate it fromThe Original Series .

7The Vampire Diaries (2009 - 2022)

Canon is frequently thrown out the window for the sake of plot armor

found on the novel by L.J. Smith , The Vampire Diaries is a story about the grow love Triangulum between Elena Gilbert and two vampiric brothers , Stefan and Damon Salvatore . Set in the town of Mystic Falls , Virginia , the show follows the tercet from high school through college as they combat for one another ’s affection .

Throughout the seasons and spinoffs , there are manyThe Vampire Diariesplot hole out devotee ca n’t overlook , and that ’s only in the first serial of the franchise . After the success ofThe Vampire Diaries , the web developed the first spinoff , The original , and the extra one , Legacies . During the initial running game ofThe Vampire Diaries , certain rules were established about the wizard systems , the vampire ’s powers , and their limitation . However , Elena Gilbert ( Nina Dobrev ) , one of the show ’s protagonist , was frequently nontaxable from these rules to keep her alive for the saki of the taradiddle .

InThe Vampire Diariesseason 1 , Damon ( Ian Somerhalder ) can do much more than compel man , with unknown abilities to control brute or summon mist . This is disregarded after the original , as are the prescript of life and destruction . Death is only lasting for minor lineament , as many main characters die and come back to life several times across the series . In one of the most shocking braid , Elena is put to eternal sleep and ca n’t wake up until Bonnie ( Kat Graham ) die , but just in time for the serial publication finale , Bonnie finds a way to awaken her up without give-up the ghost .

Headshot Of Millie Gibson In The US Premiere Of The New Season Of The Disney+ Series Doctor Who

6Supernatural (2005 - 2023)

The well-established history of Sam & Dean’s parents is rewritten in The Winchesters

create by Eric Kripke , Supernatural is a phantasy / dramatic event serial that premiered in 2005 . The series follows the adventures of Dean and Sam Winchester - two men wrong by supernatural beings as children who now spend their 24-hour interval look into and trace demons , ghosts , and monsters across the United States .

It ’s not surprising that the meshwork and God Almighty ofSupernaturalwanted to continue capitalize on the series ’ success , as the show became a gaolbreak hit while it was airing . primitively only mean to say a sodding five - season arc , Supernaturalwent on for ten more seasonsafter that . Since so much of the the true smother heaven and hell was shrouded in mystery throughout the story , it was sane that alteration in the canyon would occur as the show progressed .

The Winchesterswas meant to expand the existence ofSupernaturalby looking into the narrative of how John and Mary Winchester met , and their fiend - hunting years before their sons were born .

Cast Placeholder Image

However , certain scene of the series , like Sam ’s ( Jared Padalecki ) and Dean ’s ( Jensen Ackles ) parent ’ descent seemed fairly lay in stone . The Winchesterswas meant to expand the reality ofSupernaturalby looking into the story of how John and Mary Winchester meet , and their demon - hunting day before their boy were have . However , the series was poorly receive , in part due to how much it switch the cloth ofSupernatural . John ’s history with demons and hunting is alter , as is his hereafter , since Dean travels to the past to give him a alphabetic character , something never mentioned inSupernatural .

5Friends (1994 - 2004)

Silly mistakes and series extensions make the timeline convoluted

Friends is the pop situation comedy created by David Crane and Marta Kauffman , turn back in 1994 and ran for ten seasons . The show follow a grouping of six twentysomethings through their life sentence in New York City and their fourth dimension spent between their two flat and their local deep brown shop . The show boast the group voyage foxy relationships with one another and comical mischance .

ThoughFriendsis one of the most successful sitcom of all sentence , running for ten season , the spinoff , Joey , was such a plot thatJoeymay no longer be part ofFriendscanon . Joeywould’ve dilate the population ofFriendshad it remained on the air , and likely would ’ve altered the show ’s canon by providing substitute endings for the darling graphic symbol . as luck would have it , most of the happy endings the titulary friends get in the series finale are set in stone . However , large questions surrounding the serial ' timeline and continuity have been raised .

The four lineament whose lives are the most intertwined are Ross ( David Schwimmer ) , Monica ( Courteney Cox ) , Rachel ( Jennifer Aniston ) , and Chandler ( Matthew Perry ) . Their relationship are well shew , except for the cardinal plot hole that Chandler and Rachel are reintroduce to each other in conflicting flashback episodes several times over the seasons . Additionally , the ages of the characters make no sensecompared to the way prison term is presuppose to be passing in the show . It takes many years for them all to ferment 30 , and their ages change base on what ’s convenient for an sequence .

Headshot Of Johnny Galecki In The Big Bang Theory Series Premiere

The Big Bang Theory: This sitcom follows a group of socially awkward scientists and their interactions with each other and the people around them. Centered on physicists Sheldon and Leonard, the series humorously explores friendship, romance, and the quirks of life among an eclectic group of academics.

4Avatar: The Last Airbender (2005 - Present)

While the initial series might be a tight story, additional lore changes the fabric of the story

Avatar : The Last Airbender is an Animated Fantasy and Adventure series that come along on Nickelodeon and was created by Michael Dante DiMartino and Bryan Konietzko . The serial featured representative from Zach Tyler Eisen , Jack DeSena , Dante Basco , and Mae Whitman . The premise follows a young boy constitute Aang , an Air Bender who is set to be the next Avatar , schoolmaster of all elements , in a scrap to merge the Carry Amelia Moore Nation together and bring serenity .

Not all the traditional knowledge is entirely flesh out and explained , which left room for the spinoff series , The Legend of Korrato expand the franchise ’s human race .

ThoughAvatar : The Last Airbenderwas only on the air for three season , it switch animation forever and introduce the world to a universe consultation will never draw a blank . These first three season of the original show severalize a cohesive storywith a timeline that can easily be followed . Not all the lore is altogether flesh out and explained , which provide room for the spinoff serial , The Legend of Korrato expand the franchise ’s earth . However , The Legend of Korraand the new live - actionAvataron Netflix have run into problem preserve the canon intact .

Headshot Of Jim Parsons In The 2019 Creative Arts Emmy Awards Day Two

The live - action adjustment ofAvatarhad to leave out certain plot points and commit more time to others because this is what an adjustment does . While nothing major has been exchange , the subtle character and story alterations will inevitably have bigger shock on the story ’s ending . Conversely , The Legend of Korrawas capable to tell its own news report . However , in explicate the Avatar ’s origins and jumping forward in time , changes were made that did n’t fit the franchise ’s integrity . Aspects of bending that was supposed to be insufferable or rarefied , like metalbending and lavabending , suddenly became trite skills inKorra .

Netflix ’s live - military action Avatar : The Last Airbender serial publication is on the way , and it has the opportunity to expand the lore far beyond the original show .

3How I Met Your Mother (2005 - 2014)

Early character traits or habits are dropped for the sake of punchlines

How I Met Your Mother is a boob tube series that follows a beginner secern his children about his past . free in 2005 , it explores his experiences and dangerous undertaking with four close friends , leading up to meeting their female parent , as depict through a series of flashbacks .

How I Met Your Motherhad one of the most divisive serial publication finales of all clip , but the ending was n’t the first time that fans were surprised by taradiddle change in the show . Each theatrical role changes a lot throughout the show ’s run , but Robin ( Cobie Smulders ) is rewrite substantially after the first couple of season . InHow I Met Your Motherseasons 1 and 2 , Robin mention sure trait and events in her past that are changed in the future time of year .

This is illustrated in that take on hockey was a large part of her puerility , but she mention to Ted ( Josh Radnor ) that she never played squad sportswoman . to boot , the timeline surrounding Ted ’s close misses connect with the future mother of his children is altered considerably . There is an episode when it ’s revealed that the Mother was at the same St. Patrick ’s Day company as Ted , but later on , she describes the same company being in April . While this was just a small error overlooked by the creative team , it does draw attention to the other egress of persistence in the serial publication .

Headshot Of Kaley Cuoco IN The John Ritter Foundation

2That ’70s Show (1998 - 2006)

Characters disappear and it takes far too long to reach the 1980s

That ‘ 70s Show was one of Fox ’s most popular sitcom upon its release in 1998 . Starring Topher Grace ( Eric Forman ) , Laura Prepon ( Donna Pinciotti ) , Mila Kunis ( Jackie Burkhart ) , Danny Masterson ( Steven Hyde ) , Wilmer Valderrama ( Fez ) , and Ashton Kutcher ( Michael Kelso ) , That ‘ 70s Show revolve around the teens ’ mishaps as they grow up in Point Place Wisconsin in the 1970s .

In some way , That ' 90s Showworks because ofThat ' 70 Show ’s plot of ground holes , and the spinoff show has been a fun expanding upon on the original data format of the first show . Many TV series do n’t follow a concrete timeline , and do n’t start a new year with every fresh season of the show . Notably , this happened in the hit showMASH , which went on for eleven seasons despite the Korean War only last three years . That ' 70 Showfaced the job that its master character were in high school .

To solve this , the characters stayed in gamey school for quite a retentive time , but their ages did n’t always match the grade they were suppose to be in .

Headshot Of Simon Helberg In The CBS Comedies Season Premiere

This think of it would n’t be long before the fictitious character ’s ages became a major progeny for the persistence and struggle of the show . To solve this , the characters stayed in high school for quite a recollective time , but their ages did n’t always match the grade they were supposed to be in . Eric ( Topher Grace ) deepen ages several times throughout the show . Additionally , there are more Christmas episodes than there should be based on how time is moving , Donna ’s ( Larua Prepon ) babe disappear , andthere are frequent anachronism and references to thing that did n’t exist in the seventies .

An pilot That ‘ 70s Show superstar is returning for That ‘ 90 Show season 2 , but this mean another cameo from the original series needs to happen .

1Pretty Little Liars (2010 - 2017)

Characters escape hospitals, cheat death, and make impossible decisions

Pretty Little Liars is a Teen Drama and Mystery series based on the novel by Sara Shepard . The show was create by Marlene King and star Troian Bellisario , Ashley Benson , and Holly Marie Combs . The serial publication revolves around four friends who meet back up with one another and begin to incur strange terror from an unknown source simply labeled " A. "

Trying to fall out the complete canon ofPretty Little Liarsis nearly impossible , as the series changes villains , hero sandwich , and victims at the drop of a hat . Some of the worst plot holes on the show make it clean-cut that the series creators were n’t always planning aheadwhen it came to the shocking twists and unbelievable events portrayed on screen . What becomes the most puzzling as the series move on is how so many fibre can be in two places at once and easily forfend spotting .

This flaw becomes passing obvious in the case of Charlotte / CeCe ( Vanessa Ray ) , who was both visit and a patient at Radley at the same meter . CeCe ’s fictitious character introduces many major issues into the fabric of the story , as the timeline of Marion Cavanaugh ’s end change , as she was supposedly killed when CeCe was a shaver and Toby ( Keegan Allen ) was a stripling . The show ’s project timeline would ’ve been impossible considering how much older CeCe isthan the other characters . Almost every aspect of CeCe ’s fictional character throw a pull into the entire show .

Headshot Of Paul Wesley

Based on the novels by L.J. Smith, The Vampire Diaries is a story about the developing love triangle between Elena Gilbert and two vampiric brothers, Stefan and Damon Salvatore. Set in the town of Mystic Falls, Virginia, the show follows the trio from high school through college as they battle for one another’s affection.

Headshot Of Ian Somerhalder In The 12th Annual SAG Awards

Headshot Of Kat Graham

Headshot OF Candice King

Headshot Of Jensen Ackles In The Los Angeles Premiere Of Disney+ Original Movie ‘Zombies 3’

Created by Eric Kripke, Supernatural is a fantasy/drama series that premiered in 2005. The series follows the adventures of Dean and Sam Winchester - two men wronged by supernatural beings as children who now spend their days investigating and hunting demons, ghosts, and monsters across the United States.

Headshot Of Misha Collins IN The 2019 CW Upfront

Headshot Of Jim Beaver In The Paleyfest 2011 event

Headshot Of Jared Padalecki IN the 2019 CW Upfront

Headshot Of Jennifer Aniston In The Emmy FYC Event for Apple TV+’s ‘The Morning Show’

Friends is the popular sitcom created by David Crane and Marta Kauffman, released back in 1994 and ran for ten seasons. The show follows a group of six twentysomethings through their lives in New York City and their time spent between their two apartments and their local coffee shop. The show features the group navigating tricky relationships with one another and comical misadventures.

Headshot Of Courteney Cox In The Los Angeles Premiere Of Warner Bros. Television’s ‘Shining Vale’

Headshot Of Lisa Kudrow In The NBC’s ‘Carol Burnett: 90 Years Of Laughter + Love’ Birthday Special

Headshot Of Matt LeBlanc In The Showtimes Eposodes Viewing Party

Headshot Of Dee Bradley Baker In The Stars walk the red carpet

Headshot Of Josh Radnor In The NBC Universal Winter TCA

How I Met Your Mother is a television series that follows a father telling his children about his past. Released in 2005, it explores his experiences and adventures with four close friends, leading up to meeting their mother, as depicted through a series of flashbacks.

Headshot Of Neil Patrick Harris In The 2019 Creative Arts Emmy Awards

Headshot Of Jason Segel

Headshot Of Alyson Hannigan

Headshot Of Topher Grace

That ‘70s Show was one of Fox’s most popular sitcoms upon its release in 1998. Starring Topher Grace (Eric Forman), Laura Prepon (Donna Pinciotti), Mila Kunis (Jackie Burkhart), Danny Masterson (Steven Hyde), Wilmer Valderrama (Fez), and Ashton Kutcher (Michael Kelso), That ‘70s Show revolves around the teens’ mishaps as they grow up in Point Place Wisconsin in the 1970s.

Headshot OF Laura Prepon

Headshot Of Mila Kunis

Headshot Of Ashton Kutcher

Headshot Of Ashley Benson

Headshot Of Lucy Hale