What was Mr. Peepers’s first name on “Mr. Peepers” and what did he teach (NBC, 1952-55)? January 16, 2020 by Pamela Landy Robinson J. Peepers taught biology on the TV series “Mr. Peepers” (NBC, 1952-55). Related PostsWhen did chimpanzee J. Fred Muggs join the "Today" (NBC, 1952) cast?When did Willard Scott join the "Today" cast (NBC, 1952)?While in office, where did President Jimmy Carter teach Sunday school?Where does Jacques Derrida teach?When did Johnny Carson take over NBC's "Tonight Show" (NBC, 1954)?What is the tongue-twister that kicks off a song-and dance number in Singin' in the Rain (1952)?