Leave It to Beaver S04 E12 Beaver and Kenneth

"Gee, Wally!"

While at a parent's meeting, June leans from Miss Landers that someone has been stealing in Beaver's class and so far, a baseball glove, a lunch box and a baseball cap were heisted. Later, June makes a shocking discovery, she finds the stolen items under Beaver's bed. This leaves June and Ward wondering if they're raising a thief.