Here's Lucy - Season 5 - Eps 8: Lucy and Petula Clark
Lucy tricks Harry into sending her to be Petula Clark's ""Girl Friday"" to assist with a recording session. Lucy's over protection of pregnant Clark nearly wrecks the entire session, but ends by becoming the new gimmick for her record, a human ""waa waa petal"".
About Here's Lucy

Title: Here's Lucy
First Air Date: 1968-09-23
Last Air Date: 1974-03-18
Status: Ended
Rating: 6.7/10 (from 28 votes)
Language: EN
Seasons: 6
Total Episodes: 144
Network: CBS
Genres: Comedy
Production Companies: Unknown
Cast

Lucille Ball
Lucy Carter

Gale Gordon
Harrison Carter