"Summer Block Buster" is the upcoming first segment of the first episode of the revival season of the American animated musical-comedy television series Phineas and Ferb. The episode is set to premiere on Disney Channel, Disney XD and the Disney Channel YouTube channel in the United States on May 26, 2025, as a sneak peek, and will later premiere officially on June 5.[2]
On January 13, 2023, Disney Branded Television announced that 40 new episodes of Phineas and Ferb were ordered, to be split across two seasons, with Povenmire returning as executive producer.[3] In March 2023, Marsh was also announced to return as executive producer and voice director for the revival.[4] The episode was originally slated to premiere in 2024.[5] On May 21, 2025, a sneak peek of "Summer Block Buster" was released,[6] as well as the song "Summer Is Starting Right Now".[7]