"Girl Meets Brother" is the fifteenth episode of Season 1 of Girl Meets World and the 15th of the overall series. It first aired on November 28, 2014.
Cory and Topanga teach Riley the importance of responsibility, leaving her home to look after her little brother while they go out to celebrate their anniversary.
- Rowan Blanchard as Riley Matthews
- Ben Savage as Cory Matthews
- Sabrina Carpenter as Maya Hart
- August Maturo as Auggie Matthews
- Danielle Fishel as Topanga Matthews
- Cory's classroom does not appear in this episode.
- Chronologically, if this is Cory and Topanga's 15th anniversary, this episode will take place on November 5, 2014.
- In this episode, right after Cory refers to himself as Riley's teacher, Topanga refers to herself as Riley's attorney, perhaps a reference to Boy Meets World when Topanga originally wanted to become a lawyer.