When Ed is packing for his trip to San Francisco, among the items is a stack of comic books. The comic book on the top of the pile is Tarzan #120 (October 1960) published by Dell, with a cover painting by George Wilson depicting Gordon Scott as Tarzan.
The magician who performed the cups and balls illusion was Lou Derman, the writer who scripted the majority of the episodes of Mister Ed.
This was Beverly Wills' final role before she was killed in a house fire on October 24, 1963 at the age of 30.