he fourth season of The Wonder Years aired on ABC from September 19, 1990 to May 15, 1991.
Fred Savage Kevin Arnold
Jason Hervey Wayne Arnold
Danica McKellar Gwendolyn "Winnie" Cooper
Dan Lauria John "Jack" Arnold
Josh Saviano Paul Joshua Pfeiffer
Olivia d'Abo Karen Arnold
Robin Thicke Boy
Kevin's dog Buster needs to get fixed to stop his incessant barking, but the dog wants to avoid that at all costs.