The Pebbles and Bamm-Bamm Show - Season 1 - Eps 4: The Golden Voice
After hearing Bamm-Bamm singing in the shower, Pebbles drafts him to sing lead in their band. Unfortunately, Bamm-Bamm's voice when he's not in the shower is really awful, and Pebbles goes to extreme measures to bring his voice up to shower quality.
About The Pebbles and Bamm-Bamm Show

Title: The Pebbles and Bamm-Bamm Show
First Air Date: 1971-09-11
Last Air Date: 1972-01-01
Status: Ended
Rating: 4/10 (from 7 votes)
Language: EN
Seasons: 2
Total Episodes: 20
Network: CBS
Genres: Animation, Comedy
Production Companies: Unknown
Synopsis
The Pebbles and Bamm-Bamm Show is a 30-minute Saturday morning animated series spin-off of The Flintstones produced by Hanna-Barbera Productions, which ran for 16 half-hour episodes from September 11, 1971, to September 2, 1972, and four 8-minute episodes from September 9, 1972, to September 1, 1973, on CBS.
Cast

Sally Struthers
Pebbles Flinstone

Jay North
Bamm-Bamm Rubble

Mitzi McCall
Penny

Gay Autterson
Wiggy / Cindy / Betty Rubble

Lennie Weinrib
Moonrock

Don Messick
Bad Luck Schleprock

Alan Reed
Fred Flintstone

Jean Vander Pyl
Wilma Flintstone

Mel Blanc
Barney Rubble

John Stephenson
Mr. Slate