“Love, Dean” – It’s the end of the school year, and summer excitement is all around. When Bill and Lillian each receive major career opportunities, tension builds as they decide who will handle more of the household responsibilities. Meanwhile, Dean and Keisa take shelter together as a tornado tears through Montgomery, providing the perfect moment for Dean to tell her how he really feels, on the season finale of “The Wonder Years,” airing WEDNESDAY, MAY 18 (8:30-9:00 p.m. EDT), on ABC. (TV-PG, L) Watch episodes on demand and on Hulu the day following their premieres.