Sat, Jan 9, 1971
Dodie's (Dawn Lyn) school class has a new teacher (Peter Brown), and all the girls think he is a dreamboat. Her mother (Beverly Garland) used to teach him when he was a boy. Dodie's crush fades when he brings his fiancée (Linda Foster) with him to dinner.
Sat, Jan 23, 1971
Katie (Tina Cole) thinks Robbie (Don Grady) is seeing his secretary Cynthia (Ann Marshall) after work and gets jealous, after seeing Robbie kissing her.
Sat, Feb 20, 1971
Dodie (Dawn Lyn) decides to form a musical band with her friends, and practice will be held at the Douglas' home. The adults are not too pleased to have loud, bad music playing at their home.
Sat, Feb 27, 1971
Ernie (Barry Livingston) is involved in a fender-bender, when teenage girl Debbie (Brooke Bundy) hits his car. She seems to take an interest in Ernie, but might be more interested in not paying for the accident.
Sat, Mar 13, 1971
Charley (William Demarest) looks forward to a visit from his former shipmate Tom (Arthur Hunnicutt), who could be depended upon for rowdy entertainment. However, when his friend arrives, he is now a mild-mannered gentleman.
Mon, Sep 13, 1971
Steve's cousin Fergus McBain Douglas (Fred MacMurray in a double role), who looks just like him, arrives from Scotland in search of a wife to take back with him.
Mon, Sep 20, 1971
Charley (William Demarest) is tired of having Fergus living in the Douglas house, causing a disruption to everyone's schedule. Since Fergus is looking for a wife, Charley places an ad in the local newspaper, seeking a wife for Fergus.
Mon, Sep 27, 1971
Steve's cousin Fergus (Fred MacMurray in a double role) and Terri (Anne Francis) go to the bowling alley, where she works as a waitress, and have dinner. Fergus proposes, but Terri declines as she is afraid of the move to Scotland. Steve talks to her and she says yes.
Mon, Oct 4, 1971
Fergus (Fred MacMurray in a double role) marries Terri (Anne Francis), a woman who works at a bowling alley. They fly to Las Vegas for their honeymoon, before going home to Scotland.
Mon, Nov 8, 1971
Katie (Tina Cole) flies to Peru to spend some time with Robbie (Don Grady). She leaves the triplets with Chip (Stanley Livingston) and Polly (Ronne Troup), who find it difficult to be instant parents.
Mon, Nov 15, 1971
Babara (Beverly Garland) is enthusiastic about everything that involves Steve (Fred MacMurray) and his family, almost to an embarrassment with Steve. When Steve asks her to join his partners and their wives at a bowling match, she is afraid of letting him down.
Mon, Nov 22, 1971
Katie (Tina Cole) wants to do more than just stay at home with the triplets, so she gets a job singing in the evenings at a small coffee house. Steve (Fred MacMurray) and Charley (William Demarest) worry about her, but once they meet the owner (Anthony Caruso), they realize Katie is in good hands.