The Bob Newhart Show: Who Is Mr. X?

"Who Is Mr. X?" is ninth episode of season four of the comedy series The Bob Newhart Show and the twenty-ninth episode of the series overall. The series stars Bob Newhart, Mary Frann, Peter Scolari, Julia Duffy and Tom Poston. It was written and directed by Douglas Wyman and first aired on CBS on November 8th, 1975. In this episode, Michael takes over as producer of WPIV's nightly news, but his new informed outlook on life drives a wedge between him and Stephanie. Meanwhile, George announces he has given up on being a Red Sox fan.