This episode features the first (but not last) dream sequence in the DVD Show. And it's a wild one, featuring Rob as a marionette; a dancing Mel Cooley; Laura in a pretty daring (for 1961 TV) bunny costume; and an avalanche of stuffed rabbits that foreshadows a more famous scene involving walnuts in a future episode.
The show also includes what I believe is the first on-screen appearance of Frank Adamo, Dick Van Dyke's assistant and stand-in. He can be seen at the back of the airplane. More about Adamo later.
Rob: “You see, I’ve seen every one of his performances!”
Laura: “No, you didn’t; you didn’t see him when he played Hamlet.”
Laura: “Yeah, see, you missed his Hamlet.”
Rob: “When was that?”
Laura: “Last year, at the Kindergarten Shakespeare Festival.”