Claim: "The Telltale Head" is the eighth episode of The Simpsons' first season and was directed by Rich Moore who studied in the  California Institute of the Arts.
Evidence: "The Telltale Head" is the eighth episode of The Simpsons' first season. It was written by Al Jean, Mike Reiss, Sam Simon and Matt Groening, and directed by Rich Moore. California Institute of the Arts 
He studied film and video at the California Institute of the Arts, graduating with a Bachelor of Fine Arts degree in 1987. "The Telltale Head" is the eighth episode of The Simpsons' first season. It was written by Al Jean, Mike Reiss, Sam Simon and Matt Groening, and directed by Rich Moore. 
Season 1
Episode 8 Rich Moore California Institute of the Arts