Party Pooper (2026): Cast, Story and Release Details

Prepared by Movies Dock Editorial

Party Pooper is a short British comedy centered on Megan, a new mother dealing with postpartum toilet fears. With Tic Tacs in hand, her sister Sophie tries to help her leave the bathroom and make it to a night out.

Party Pooper is a 2026 English-language comedy from the United Kingdom. Running for 11 minutes, the film focuses on an awkward but personal challenge facing Megan only days after giving birth.

Her sister Sophie arrives with a simple objective: get Megan from the toilet to a night out. The result is built around the sisters’ contrasting approaches to Megan’s postpartum anxiety and the practical lengths Sophie is willing to go to help.

Party Pooper movie details

Story without spoilers

Days after giving birth, Megan is struggling with fears connected to using the toilet. Her sister Sophie refuses to let the problem keep Megan at home and turns up prepared with a pack of Tic Tacs.

The film follows Sophie’s attempt to coax Megan out of the bathroom and toward an evening out. Its compact premise places the relationship between the two sisters at the center, using a private postpartum concern as the basis for a short-form comedy.

What to expect

The premise points to a comedy driven by an uncomfortable everyday situation, sibling support and the pressure of returning to social life after childbirth. At 11 minutes, Party Pooper is structured as a concise character-based story rather than a feature-length exploration of its subject.

The focus is on Megan’s specific fear and Sophie’s determined intervention. Viewers can expect an English-language short with a straightforward setup and a tightly contained central conflict.

Cast and creative team

Helen Mackay plays Megan, the new mother at the center of the story, while Charlene Boyd portrays her sister Sophie. Sharon MacKay wrote and directed Party Pooper.

• Charlene Boyd as Sophie
• Helen Mackay as Megan

Release and production context

Party Pooper is a United Kingdom production from GMAC Film. It is listed as released on September 19, 2026, and has a runtime of 11 minutes. The film is in English.

Production companies: GMAC Film

Movies Dock view

Party Pooper uses a brief running time to frame postpartum anxiety through the relationship between two sisters. Its unusual premise, compact format and clearly defined central situation make it a focused short comedy about trying to reclaim an ordinary night out after a major life change.

Film data:
TMDB · IMDb