Here's Lucy - Season 5 - Eps 14: Lucy and the Group Encounter
Mary Jane suggests Lucy and Harry go to group therapy to improve their working relationship. Once in therapy, the psychiatrist suggest the two reverse roles to see how the other one feels.
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