 Frasier and Niles realize their helplessness when Frasier s car stalls, so they enroll in an auto repair night class. They quickly fall behind, and understand what it s like to be remedial students. They then take the part too far and degenerate into class clowns and become disruptive. Martin helps Roz pick out a new puppy, but after dog-sitting a few times, he starts to take over the puppy as his own.