A.P. Bio is an American television sitcom that premiered on February 1, 2018, on NBC as a mid-season replacement. It aired on NBC for two seasons until June 13, 2019, and moved to Peacock for its subsequent seasons. The series is centered around Jack Griffin, played by Glenn Howerton, a philosophy professor who, after being fired from his Harvard position, returns to his hometown and picks up teaching Advanced Placement Biology.