During his first six seasons on CBS, from 1972 to 1978, he had more success with his comedy The Bob Newhart Show.
Dr. Bob Hartley, played by Newhart, is a psychiatrist in Chicago, and the show followed his career and personal life.
Between 1982 and 1990, Newhart portrayed the roles of Vermont innkeeper and talk show personality Dick Loudon on the successful comedy Newhart.
In his now-iconic series conclusion, Newhart showed his character from The Bob Newhart Show waking up next to his ex-co-star Suzanne Pleshette,
implying that the whole show had been a dream.He was also known for his iconic recurring role as “Professor Proton,” a former scientific TV personality, on the popular comedy
