The fourth season of the American television situation comedy Leave It to Beaver premiered on October 1, 1960 and concluded on June 24, 1961. It consisted of 39 episodes shot in black-and-white, each running approximately 25 minutes in length.
E1 · Beaver Won't Eat
E2 · Beaver's House Guest
E4 · Wally, the Lifeguard
E5 · Beaver's Freckles
E6 · Beaver's Big Contest
E7 · Miss Landers' Fiancé
E8 · Eddie's Double-Cross
E9 · Beaver's I.Q.
E10 · Wally's Glamour Girl
E11 · Chuckie's New Shoes
E12 · Beaver and Kenneth
E13 · Beaver's Accordian
E14 · Uncle Billy
E15 · Teacher's Daughter
E16 · Ward's Millions
E17 · Beaver's Secret Life
E18 · Wally's Track Meet
E19 · Beaver's Old Buddy
E20 · Beaver's Tonsils
E21 · The Big Fish Count
E22 · Beaver's Poster
E23 · Mother's Helper
E24 · The Dramatic Club
E25 · Wally and Dudley
E26 · Eddie Spends the Night
E27 · Beaver's Report Card
E28 · Mistaken Identity
E29 · Wally's Dream Girl
E30 · The School Picture
E31 · Beaver's Rat
E32 · In the Soup
E33 · Community Chest
E34 · Junior Fire Chief
E35 · Beaver's Frogs
E37 · Kite Day
E38 · Beaver's Doll Buggy
E39 · Substitute Father