This is the second time Beaver finds himself double-crossed by his peers because of a pact he makes with them over what to wear. The first instance occurs in Sweatshirt Monsters (1962) from season 5.
Wally mentions an evening spent visiting Lori-Ann, an erstwhile girlfriend of his; the character, however, appears only in Un-Togetherness (1962) from season 5 and played only that one time by Brenda Scott.