What was Mr. Peepers’s first name on “Mr. Peepers” and what did he teach (NBC, 1952-55)? July 23, 2020 by Pamela Landy Robinson J. Peepers taught biology on the TV series “Mr. Peepers” (NBC, 1952-55). Related Answers Before “The Tonight Show,” did Johnny Carson and Ed McMahon work together? How did Jackie Robinson do in his first major league baseball game? When 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?