Beaver's I.Q. (S04E09)

S04E01 Beaver Won't Eat S04E02 Beaver's House Guest S04E03 Beaver Becomes a Hero S04E04 Wally, the Lifeguard S04E05 Beaver's Freckles S04E06 Beaver's Big Contest S04E07 Miss Landers' Fiancé S04E08 Eddie's Double-Cross S04E09 Beaver's I.Q. S04E10 Wally's Glamour Girl S04E11 Chuckie's New Shoes S04E12 Beaver and Kenneth S04E13 Beaver's Accordian S04E14 Uncle Billy S04E15 Teacher's Daughter S04E16 Ward's Millions S04E17 Beaver's Secret Life S04E18 Wally's Track Meet S04E19 Beaver's Old Buddy S04E20 Beaver's Tonsils S04E21 The Big Fish Count S04E22 Beaver's Poster S04E23 Mother's Helper S04E24 The Dramatic Club S04E25 Wally and Dudley S04E26 Eddie Spends the Night S04E27 Beaver's Report Card S04E28 Mistaken Identity S04E29 Wally's Dream Girl S04E30 The School Picture S04E31 Beaver's Rat S04E32 In the Soup S04E33 Community Chest S04E34 Junior Fire Chief S04E35 Beaver's Frogs S04E36 Beaver Goes in Business S04E37 Kite Day S04E38 Beaver's Doll Buggy S04E39 Substitute Father