This is the last episode for Ken Osmond as Eddie Haskell. In the final episode, he is shown in archival footage only.
This being the ante-penultimate episode for the series, several of the actors in recurring roles make their final appearances. Ken Osmond, playing Eddie Haskell, Stephen Talbot, playing Gilbert Bates, and Stanley Fafara, playing Hubert "Whitey" Whitney, all make their final bow in this episode.
In the previous episode, "All night party" Wally and his class had an all-night graduation party after their graduation ceremony. At the end of the episode, he hung his diploma on the wall. At the beginning of this episode, Wally came in the kitchen door carrying his school books.
Beaver's friend Whitey Whitney reveals his first name to June: Hubert.