In "Beaver Sees America" directed by Hugh Beaumont, Beaver visits with Mary Margaret Matthews. She called him "Teddy." Beaver replies to Mary Margaret Matthews with "Gee....no one ever called me Teddy before."

In fact, someone did in an earlier episode....guess which one by providing the title of the episode.

Miss Landers' fiancé (Mr. Brittingham?) called him "Teddy".

Miss Landers' fiancé (Mr. Brittingham?) called him "Teddy".


Wow! Did not expect this answer too quickly!