Season 3: Episode 41: Wicked Stepbrother (Part 1)

Jessie's mom remarries, and Jessie's step-brother, Eric, visits for some quality family time. Jessie gets everything but quality time. Eric blackmails the gang to get what he wants, and he constantly annoys Jessie. The gang has to band together and make Eric realize that nobody messes with their school family and gets away with it.