# Best TV crossover episode

**URL:** <https://boards.straightdope.com/t/best-tv-crossover-episode/294897>\
**Category:** Cafe Society\
**Created:** [March 17, 2005, 12:51am UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897 "2005-03-17T00:51:22Z")\
**Posts on this page:** 20\
**Page:** 3

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**Author:** ![Dropo](https://avatars.discourse-cdn.com/v4/letter/d/ce7236/32.png) [@Dropo](https://boards.straightdope.com/u/Dropo)\
**Post date:** [January 10, 2025, 9:35pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/41 "2025-01-10T21:35:32Z")

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Green Hornet and Kato on the 1967 _Batman_ episode “A Piece of the Action” with Roger C.  
Carmel as the heel “Col. Gumm.” Also appearing: Diane McBain, Alex Rocco (as a hench), Seymour Cassel and Angelique Pettyjohn (as “1st Model.”)

“Instead of the usual “Special Guest Villain”, [Van Williams](https://www.imdb.com/name/nm0931868/?ref_=tttrv_tr) as the Green Hornet and [Bruce Lee](https://www.imdb.com/name/nm0000045/?ref_=tttrv_tr) as Kato are billed as “Visiting Hero” and “Assistant Visiting Hero”, respectively.”

“Even though Batman is rather silly and The Green Hornet is rather serious, this is still considered one of the best TV crossovers ever made.” - ["Batman" A Piece of the Action (TV Episode 1967) - Trivia - IMDb](https://www.imdb.com/title/tt0519447/trivia/?ref_=tt_dyk_trv)

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**Author:** ![TriPolar](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/tripolar/32/3008_2.png) [@TriPolar](https://boards.straightdope.com/u/TriPolar)\
**Post date:** [January 13, 2025, 5:14am UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/42 "2025-01-13T05:14:44Z")

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> [@Darren\_Garrison](#):
>
> _Abbott Elementary_ 4x09: crosses over with _Always Sunny in Philadelphia_, of all things.

Just watched this. As to be expected it was much tamer than Always Sunny. It’s always worth an opportunity to see the gang back together again. I don’t think they’ve ever committed to ending the series so maybe this is a sign of more to come.

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**Author:** ![Biffster](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/biffster/32/339_2.png) [@Biffster](https://boards.straightdope.com/u/Biffster)\
**Post date:** [January 13, 2025, 6:00am UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/43 "2025-01-13T06:00:49Z")

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> [@furryman](#):
>
> I wish I could have seen the Scooby Doo/ Speed Buggy crossover.

Then of course there was “Scoobynatural”— the Supernatural/Scooby Doo crossover. Lots of fun, with the Winchesters becoming comic versions of themselves solving a crime.

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**Author:** ![Biffster](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/biffster/32/339_2.png) [@Biffster](https://boards.straightdope.com/u/Biffster)\
**Post date:** [January 13, 2025, 6:05am UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/44 "2025-01-13T06:05:03Z")

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It was the first season of ER, so the two good doctors weren’t quite household names yet.

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**Author:** ![Just\_Asking\_Questions](https://avatars.discourse-cdn.com/v4/letter/j/ba9def/32.png) [@Just\_Asking\_Questions](https://boards.straightdope.com/u/Just_Asking_Questions)\
**Post date:** [January 14, 2025, 2:11pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/45 "2025-01-14T14:11:54Z")

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> [@Biffster](#):
>
> Then of course there was “Scoobynatural”— the Supernatural/Scooby Doo crossover.

I don’t watch Supernatural, but I did see a short bit of this, and it was awesome.

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**Author:** ![Quimby](https://avatars.discourse-cdn.com/v4/letter/q/22d042/32.png) [@Quimby](https://boards.straightdope.com/u/Quimby)\
**Post date:** [January 14, 2025, 6:05pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/46 "2025-01-14T18:05:16Z")

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Nobody’s going to mention this was a twenty year old thread? 🙂

Not the best maybe but The Simpsons did a couch gag that crossed over with Rick and Morty which is what inspired me to checkout the latter show and I ended up loving it.

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**Author:** ![Yllaria](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/yllaria/32/3452_2.png) [@Yllaria](https://boards.straightdope.com/u/Yllaria)\
**Post date:** [January 14, 2025, 6:20pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/47 "2025-01-14T18:20:17Z")

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I scrolled past a YouTube thumbnail showing a _Barney Miller_ crossover with _Welcome Back Kotter_. Maybe. The “kids” from _Welcome Back_ were in the jail cell with Barney and Wojo talking to them from outside the cell.

I say maybe because I didn’t click on the thumbnail, so I don’t know for sure that it was a crossover. Because I didn’t click, I can imagine that it was, and that it was hilarious. I did not want to be disappointed.

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**Author:** ![furryman](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/furryman/32/99_2.png) [@furryman](https://boards.straightdope.com/u/furryman)\
**Post date:** [January 14, 2025, 7:06pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/48 "2025-01-14T19:06:04Z")

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I especially liked the ending:

The Winchesters go back and “prove” everything the Scooby gang saw was fake. The idea that the Winchesters were such big fans is strangely heartwarming.

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**Author:** ![Exapno\_Mapcase](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/exapno_mapcase/32/1051_2.png) [@Exapno\_Mapcase](https://boards.straightdope.com/u/Exapno_Mapcase)\
**Post date:** [January 14, 2025, 7:24pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/49 "2025-01-14T19:24:12Z")

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_The Bionic Woman_ was a spinoff from the _Six Million Dollar Man_ so some crossovers were expected. They had many, until the former moved to a different network. Five weekly episodes featured both. When both series were cancelled, three movies of the week were made in 1987, 1989, and 1994. After running out of silly gimmicks to postpone their romance, the producers finally let them get married in the last movie.

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**Author:** ![muldoonthief](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/muldoonthief/32/3188_2.png) [@muldoonthief](https://boards.straightdope.com/u/muldoonthief)\
**Post date:** [August 22, 2025, 4:00pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/50 "2025-08-22T16:00:54Z")

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FWIW, the corresponding “Always Sunny” episode was at its normal TV-MA level, It was hilarious to see the Abbot Elementary cast using Always Sunny appropriate profanity.

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**Author:** ![Joey\_P](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@Joey\_P](https://boards.straightdope.com/u/Joey_P)\
**Post date:** [August 22, 2025, 5:06pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/51 "2025-08-22T17:06:36Z")

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https://www.tiktok.com/embed/v2/7525268002095238413

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**Author:** ![Prof.Pepperwinkle](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/prof.pepperwinkle/32/13627_2.png) [@Prof.Pepperwinkle](https://boards.straightdope.com/u/Prof.Pepperwinkle)\
**Post date:** [August 22, 2025, 5:33pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/52 "2025-08-22T17:33:04Z")

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There was the South Park episode where Cartman realized he was a cartoon character, and left the show in order to spread his brand of evil across all the networks, only to be stopped by an un-named, spiky-haired, yellow-skinned boy on a skateboard.

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**Author:** ![TreacherousCretin](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/treacherouscretin/32/476_2.png) [@TreacherousCretin](https://boards.straightdope.com/u/TreacherousCretin)\
**Post date:** [August 22, 2025, 11:44pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/53 "2025-08-22T23:44:12Z")

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I’ll tell you what I think is the _worst_ crossover ever: when Warner Brothers decided to make a Roadrunner cartoon substituting Bugs Bunny for the roadrunner. If I remember correctly Wile also _talks_ to us throughout the cartoon.

Wrong. Just wrong.

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**Author:** ![RealityChuck](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/realitychuck/32/195_2.png) [@RealityChuck](https://boards.straightdope.com/u/RealityChuck)\
**Post date:** [August 23, 2025, 1:40am UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/54 "2025-08-23T01:40:33Z")

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I can’t recall the name of it, but there was a cartoon parody of “Jack and the Beanstalk” where the giant was named “Alfred.” You didn’t see his face until the very end when he was revealed to be Alfred E. Neuman and it ended with him saying, “What? Me Worry.”

In comic strips, _Peanuts_ had a story line where Charlie Brown kept seeing the sun as a giant baseball. The finale was that he didn’t see the baseball: he saw Alfred E. Neuman.

> **[Mad for Peanuts - CollectPeanuts.com](https://collectpeanuts.com/2009/08/30/mad-for-peanuts/)**
>
>  Learn more about the Peanuts gang cameos in Mad Magazine.

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**Author:** ![DWMarch](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/dwmarch/32/1010_2.png) [@DWMarch](https://boards.straightdope.com/u/DWMarch)\
**Post date:** [August 23, 2025, 5:02am UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/55 "2025-08-23T05:02:54Z")

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> [@beowulff](#):
>
> The Star Trek _Strange New Worlds_ crossover with Star Trek _The Lower Decks_ is fantastic!

Those Old Scientists. Remarkable for crossing cartoon characters into live action and having them portrayed by their voice actors. Also a hilarious episode with some surprisingly good emotional moments.

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**Author:** ![hogarth](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/hogarth/32/1773_2.png) [@hogarth](https://boards.straightdope.com/u/hogarth)\
**Post date:** [August 23, 2025, 12:24pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/56 "2025-08-23T12:24:32Z")

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> [@echoreply](#):
>
> I thought, and I might be wrong or misremembering, that on _Seinfeld_ they watch _Mad About You_, or refer to it as a TV show.

There’s a _Seinfeld_ episode where George and Susan are in bed watching _Mad About You_.

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**Author:** ![anny\_m](https://avatars.discourse-cdn.com/v4/letter/a/96bed5/32.png) [@anny\_m](https://boards.straightdope.com/u/anny_m)\
**Post date:** [August 23, 2025, 10:13pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/57 "2025-08-23T22:13:08Z")

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One of the oddest crossovers was _Sleepy Hollow_ and _Bones_. I don’t really remember anything about it except that when I saw it I thought, “Well, this is … different.”

As to the possible _Friends_/_ER_ crossover, I’ve never seen it but I’m pretty sure it wasn’t really a crossover. Didn’t _Friends_ take place in New York? _ER_ took place in Chicago.

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**Author:** ![Joey\_P](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@Joey\_P](https://boards.straightdope.com/u/Joey_P)\
**Post date:** [August 23, 2025, 10:54pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/58 "2025-08-23T22:54:46Z")

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George Clooney and Noah Wylie played doctors on an episode of Friends, but not Doug Ross and John Carter.  
Edit:  
[No, Friends Did NOT Have An ER Crossover With George Clooney](https://screenrant.com/friends-er-crossover-george-clooney/)

> In the episode “The One With Two Parts, Part 2” from season 1 of [_Friends_](https://screenrant.com/friends-ross-rachel-on-a-break/), George Clooney and Noah Wyle are part of the supporting cast as Dr. Michael Mitchell and Dr. Jeffrey Rosen, respectively

So, not so much a crossover as two actors from one show playing similar characters on another show.

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**Author:** ![The\_Other\_Waldo\_Pepper](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/the_other_waldo_pepper/32/12370_2.png) [@The\_Other\_Waldo\_Pepper](https://boards.straightdope.com/u/The_Other_Waldo_Pepper)\
**Post date:** [August 23, 2025, 11:05pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/59 "2025-08-23T23:05:36Z")

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Reminds me of the I LOVE LUCY episode where (a) George Reeves is playing Superman, and (b) they never explicitly spell out whether it’s a crossover, with George Reeves playing Superman, or whether it’s just — well, yes, _George Reeves, playing Superman._

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**Author:** ![Alessan](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/alessan/32/465_2.png) [@Alessan](https://boards.straightdope.com/u/Alessan)\
**Post date:** [August 23, 2025, 11:05pm UTC](https://boards.straightdope.com/t/best-tv-crossover-episode/294897/60 "2025-08-23T23:05:55Z")

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It was a gag. A funny one, but nothing more. Don’t overthink it.

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