Big City Greens the Movie: Spacecation is a 2024 American animated musical comedy film based on the Disney Channel animated television series Big City Greens, created by The Houghton Brothers. The film was directed by Anna O'Brian and written by Lacey Dyer, Julia Layton, Mike Yank, and Shane and Chris Houghton. It stars the voices of series regulars Chris Houghton, Marieve Herington, Bob Joles, Artemis Pebdani, Wendi McLendon-Covey, and Anna Akana, along with Cheri Oteri and Renée Elise Goldsberry. In the film, Cricket Green thrusts himself and his family into an experimental farming mission in space that soon devolves into chaos, while his chaotic ideas test his relationship with his father, Bill.

The development of a Big City Greens film at Disney Television Animation was announced in January 2022, although the script had already been written a year earlier. The original songs featured in the film were written during lockdown due to the COVID-19 pandemic. Animation services were provided by Rough Draft Korea and Sugarcube, whilst series composer Joachim Horsley composed the film's score.

Big City Greens the Movie: Spacecation premiered on Disney Channel on June 6, 2024, and was released on Disney+ the following day. The film garnered a combined viewing audience of 292,000 viewers and received a 0.07 overall rating among adults between the ages of 18 and 49. It received positive reviews from critics for its humor and writing.