The Bob Newhart Show - Season 2 - Eps 21: A Love Story
Howard falls head over heels in love with Bob's sister Ellen. Under most circumstances, Bob would find this perfectly acceptable—except that Ellen is getting married to someone else.
About The Bob Newhart Show

Title: The Bob Newhart Show
First Air Date: 1972-09-16
Last Air Date: 1978-04-01
Status: Ended
Rating: 7.4/10 (from 55 votes)
Language: EN
Seasons: 7
Total Episodes: 142
Network: CBS
Genres: Comedy
Production Companies: MTM Enterprises
Synopsis
The Bob Newhart Show is an American situation comedy produced by MTM Enterprises, which aired 142 original episodes on CBS from September 16, 1972, to April 1, 1978. Comedian Bob Newhart portrays a psychologist having to deal with his patients and fellow office workers. The show was filmed before a live audience.
Cast

Bob Newhart
Robert Hartley

Suzanne Pleshette
Emily Hartley

Bill Daily
Howard Borden

Marcia Wallace
Carol Kester

Peter Bonerz
Jerry Robinson