Sudden Musical Ending

"If there's one thing to learn, it's you just can't go wrong,
If you follow your heart, and end with a song."
[elaborate song and dance number]
The Narrator, Ella Enchanted

A film, despite not previously having been a musical, ends with a Crowd Song (possibly a traditional musical number, more likely lip-synced to an existing recording) involving a significant portion of the cast without regard for the previous relationships (or even physical locations) of the characters involved. American examples are possibly derived from the straightforward (over)use of this trope in Euro cinema.

Frequently overlaps with Dance Party Ending. Probably related to Big Lipped Alligator Moment and to Gainax Ending. Contrast with Dancing Is Serious Business.

Examples:

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    Anime and Manga 
  • Episode 46 of the first series of Magical Princess Minky Momo ends with all the characters who had appeared in the show so far dancing and singing the show's theme song. It'd make more sense if it had been the actual finale.

    Film — Animation 
  • Shrek ends with all the characters singing "I'm a Believer".
  • Shrek 2 ended with "Livin' La Vida Loca".
  • The Blue Sky Studios animated movie of Horton Hears a Who! has all the characters break into Can't Fight This Feeling at the end. According to the DVD Commentary, this was because they wanted to avoid a Bittersweet Ending where Horton has to leave Whoville behind and never talk to the mayor again, and that's all they could think of.
  • At the end of Open Season 2, everyone begins to sing "Close To You" after the wild animals and pets settle their differences and become friends.
  • At the end of Recess: School's Out, the main six sing "Green Tambourine". Subverted as the credits already started, but the only part of the film where the cast do a musical number.

    Film — Live Action 

    Live Action TV 
  • Skins series one ends on a performance of "Wild World" sung by Sid, Tony, Chris, Angie, a few guys in the toilet, and a bus driver.
    • The American remake ends with Stanley leading a performance of "Shout" on stage at a club.
  • The hundredth episode of How I Met Your Mother ends with an unexpected musical number about Barney and his suits.
  • An episode of 30 Rock featuring numerous references to Gladys Knight sees Kenneth deciding to go home to Georgia. By rail. Around 12ish. Most of the cast burst into song at the end of the episode... until Gladys Knight finally shows up, just to tell them to cut it out.
  • An early episode of Kingdom Hospital ended with the medical staff breaking into musical number, dancing in the OR, corpses in the morgue singing along. It comes completely out of nowhere, and yet for a series that runs on equal parts Surreal Horror and Black Comedy it somehow works.
  • 2point4 Children
    • Every Christmas Episode of ends with the characters in a parody of a cheesy American Bing Crosby-style Christmas Special, singing 1950s Christmas songs. In the first one, it was justified as an Imagine Spot into Bill's mother's fantasy Christmas. In subsequent years, though, it just happened.
    • A more justified example in the episode "Frenzy", which almost ends with Jenny's school talent contest and Ben and David accompanying her singing "Everybody Needs Somebody to Love". Then they get home and discover the house is on fire.
  • Season 7A of Mad Men ends with Bert Cooper singing "The Best Things in Life are Free", complete with secretarial backup dancers, completely out of nowhere. It's even more random considering Bert died earlier in the episode.
  • In an unusual example of this being played for Tear Jerker, the Scrubs episode "My Philosophy" ends with a patient - who had previously said she liked to imagine death as a big Broadway number - coding. As JD watches, his Imagine Spot has her singing "Waiting for My Real Life to Begin" with some of the regulars. As the song ends, so does the Imagine Spot, and we fade back to the medical team realising they've lost her.

    Video Games 

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    Western Animation 
  • Super Why!: "Hip, hip horray! The Super Readers saved the day!"
  • The U.S. Acres episode "Banana Nose" closed with a song whose moral was "Whatever the name, I'm still the same nice person!"
  • The Series Fauxnale to Reboot ended this way, as the entire second half of the episode was a musical performed by actors summing up the entire season to the tune of "I Am a Very Model of a Modern Individual," while the main characters all enjoyed the performance.
  • The last episode of Freakazoid! had its story end, then everyone appeared for a curtain call and a teary rendition of "We'll Meet Again."