The fourth season of The Wonder Years aired on ABC from September 19, 1990 to May 15, 1991. This season took place during Kevin Arnold's 1970–71 school year.
Episodes
Fred Savage was present for all episodes. Olivia d'Abo was absent for 18 episodes. Danica McKellar was absent for 13 episodes. Dan Lauria was absent for 10 episodes. Alley Mills was absent for 8 episodes. Jason Hervey was absent for 6 episodes. Josh Saviano was absent for 3 episodes.
References