The Monkees - Season 1 - Eps 18: I Was a Teenage Monster
A mad scientist (John Hoyt) hires the Monkees to teach his monster (Richard Kiel) music—and then transplants their musical talent into the monster. Can the Monkees get their talent back? Byron Foulger appears as Groot, Dr. Mendoza's assistant.
About The Monkees

Title: The Monkees
First Air Date: 1966-09-12
Last Air Date: 1968-03-25
Status: Ended
Rating: 6.531/10 (from 49 votes)
Language: EN
Seasons: 3
Total Episodes: 58
Network: NBC
Genres: Comedy, Family
Production Companies: Screen Gems Television, Raybert Productions, NBC, Columbia Pictures
Synopsis
Micky, Mike, Peter, and Davy are four young men in mid-1960s LA, members of a struggling country-folk-rock band looking for their big break amid madcap encounters with a variety of people straight out of TV and movie central casting, with full knowledge that their existence is part of a weekly television series
Cast

Davy Jones
Davy

Micky Dolenz
Micky

Michael Nesmith
Mike

Peter Tork
Peter