Bob Newhart is successful Chicago psychologist Dr. Robert Hartley in the fourth season of this '70s sitcom. As the good doctor continues working with his patients on their issues, he continues to be a "master of denial" concerning his own personal issues at home.

Title from container. Originally broadcast on television during the 1975-1976 season. Contains all 24 episodes from the fourth season. Special features: Disc 1: "The longest good-bye" commentary by Bob Newhart, director James Burrows, Suzanne Pleshette and guest star Tom Poston ; Disc 2: "Who is Mr. X?" commentary by Bob Newhart and Marcia Wallace; "Over the river and through the woods" commentary by Bob Newhart, director James Burrows and Jack Riley ; Disc 3: "My boy Guillermo" commentary by Bob Newhart, Marcia Wallace and writer Sy Rosen; "Guaranteed not to shrink" commentary by Bob Newhart, director James Burrows, Suzanne Pleshette and Marcia Wallace; "A second family" featurette; hilarious gag reel.

Disc 1: The longest good-bye ; Here's looking at you, kid ; Death of a fruitman ; Change is gonna do me good ; The heavyweights ; Carol's wedding ; Shrinks across the sea ; What's it all about, Albert? -- Disc 2: Who is Mr. X? ; Seemed like a good idea at the time ; Over the river and through the woods ; Fathers and sons and mothers ; The article ; A matter of vice-principal ; Bob has to have his tonsils out, so he spends Christmas Eve in the hospital ; No sale -- Disc 3: Carol at 6:01 ; Warden Gordon Borden ; My boy Guillermo ; Duke of dunk ; Guaranteed not to shrink ; Birth of a salesman ; The boy next door ; Peeper-two ; Additional special features.