The Bob Newhart Show
Tracy Grammar School, I'll Lick You Yet
S1 E2:
It's "Vocation Day" in Emily's class, and Bob feels left out when he's not invited. At the last minute, he's asked to fill in, but Emily's worst fears are confirmed when Bob fails to excite the kids' interest.
Starring
Mia Bendixsen, Tony Dickson, King Moody