Oh. What. Fun.: Everything we know about the upcoming Prime Video Christmas comedy

Oh. What. Fun. is a forthcoming film in the Christmas comedy genre. It will be released on December 3, 2025, by Amazon MGM Studios via Prime Video. Here's the official synopsis:

Claire Clauster organizes a special Christmas outing when her family forgets her in the shuffle. By the time they realize their mistake, she’s gone missing. Their Christmas is in jeopardy, but Claire has other plans.

Let us explore all the important details about the film, including its cast members, storyline, and crew members. Fans are reportedly excited about Oh. What. Fun as it's part of several Christmas-themed films that release in December.

When is Oh. What. Fun. releasing?

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Oh. What. Fun. will premiere on Amazon Prime Video on December 3, 2025. The film is directed by Michael Showalter, who has also written it with Chandler Baker. It's an adaptation of Baker's namesake 2021 short story. The producers of the film include Michael Showalter, Berry Welsh, Kate Churchill, Jordana Mollick, and Jane Rosenthal under the production banners of Semi Formal Productions, TriBeCa Productions, and Amazon MGM Studios. Baker is also serving as the executive producer of the film.

What is the plot of Oh. What. Fun.?

Oh. What. Fun. revolves around Claire Clauster, who has been organizing a Christmas outing, but her family is unappreciative of her actions. This time, they are on a similar outing, but they miss Clauster. However, they realize that Clauster has gone missing. But she has some other interesting plans. Clauster has managed to hold her family together for year after year in the festive season. But once she is accidentally left off by her family, she realizes the real meaning of the holiday devoid of cooking or cleaning. This inspires her to go on her own journey.

Who is starring in Oh. What. Fun.?

Oh. What. Fun. stars Michelle Pfeiffer playing the role of Claire Clauster. Pfeiffer has been active in the industry since the 1980s and has done films like Scarface, Grease 2, Married to the Mob, and The Russia House, among others. Other cast members of the film, as per IMDb, include:

Felicity Jones
Chloë Grace Moretz
Eva Longoria
Jason Schwartzman
Danielle Brooks
Maude Apatow
Denis Leary
Dominic Sessa
Joan Chen
Havana Rose Liu
Devery Jacobs
Hedy Nasser
Sergio Duque
Ethan Costanilla as Teen Boy
Sadie Scott as Steph
Jessejames Locorriere as Dale
Audrey Hui as Diane
Alla Greene as Vika
Elizabeth Wood as Astrid Wang
Annie Cooks as Babs

In an interview with Deadline, the film's director, Michael Showalter, spoke about collaborating with Prime Video again after The Idea of You. He said:

"We just feel like they really get our sensibility. They want to do these fun, emotional, classic-feeling movies, and I think that’s the same like-mindedness that we have. Mike and I have always talked about wanting to do a holiday movie, and they really felt like the perfect home for it. It was exciting to be able to roll right into our next movie with them."

Are you excited about Oh. What. Fun.?