When widow June (Barbara Billingsley) starts dating Oliver's teacher (William Schallert in his second of three appearances), Ollie (John Snee) freaks out and tells his teacher that his grandmother is addicted to gambling, while Eddie Haskell (Ken Osmond) enlists the help of the very pregnant Mary Ellen (Janice Kent) in helping him find a birthday gift for his wife Gertrude in this 28th episode of the Leave it to Beaver revival series that debuted on Sept. 15, 1986.
This is the second episode under the new title of The New Leave it to Beaver on Superstation WTBS of the show featuring most of the original cast of Leave it to Beaver, including Jerry Mathers and Tony Dow, - the first season of 26 commercial-free episodes when the series was called Still the Beaver was on The Disney Channel from November 1984 - December 1985.
These videos are taken from my Betamax VCR personal recordings of the show when it originally aired.