The Carol Burnett Show Season 6 Episode 20 with Tim Conway, Valerie Harper

In season 6 episode 20 of The Carol Burnett Show, Hollywood stars Tim Conway and Valerie Harper join the cast for an evening of laughs and entertainment. Harper, known for her role in the hit television series "Rhoda", brings her charming wit and humor to the stage, while Conway, a veteran comedian and actor, brings his signature physical comedy to the show.

The episode features various sketches and skits, including a hilarious bit where Conway plays a dentist who accidentally injects himself with Novocain, leaving him unable to speak properly. He tries to continue with the dental procedure, causing chaos and confusion in the office. Meanwhile, Burnett plays his frantic assistant, trying to help him navigate the situation.

Harper gets a chance to show off her acting chops in a sketch where she plays a woman who is convinced that her husband, played by Burnett's on-screen husband Harvey Korman, is having an affair. The two women embark on a mission to catch him in the act, leading to a series of unexpected and hilarious twists.

The episode also features musical performances by the cast, including a group number where they sing and dance to the classic tune "76 Trombones". The show's signature "Q&A" segment sees Burnett answering questions from the audience with her trademark wit and charm.

Throughout the episode, the chemistry between the cast members is evident as they seamlessly play off each other, resulting in an evening of non-stop laughter and entertainment. The Carol Burnett Show cemented its place in television history as one of the most beloved and influential comedy programs of all time, and this episode is a perfect example of why it was so beloved by audiences.