Fantastic Four: World's Greatest Heroes S01E05 - My Neighbor was a Skrull
Fantastic Four: World's Greatest Heroes (2006)
S01E05 My Neighbor was a Skrull
Episode Overview
After returning from a mission, the team notices that the residents of the Baxter Building are unusually amicable. However, it quickly becomes apparent that these seemingly friendly neighbors are actually shape-shifting aliens known as the Skrulls!