Guest stars: Jack Riley as Corporal Wrzesinski, Jonathan Daly as Officer Moody Shirley begins dating an old flame but the kids are suspicious of him, especially when they see him leave a jewelry store with a beautiful young woman.
Guest stars: Lane Bradbury as Janet, Claire Wilcox as Cathy While performing in Las Vegas, Danny tutors the beautiful girlfriend of a mob boss in finances so she can leave town and finds himself with a new hit but one that has nothing to do with music.
Guest Stars: Dick Clark as himself, Mitzi Hoag as Sheila Faber During a stopover in a small town, the Partridges offer to revive the career of a folk legend who's been out of circulation for twenty years, but find that he would rather sing in church than be in the spotlight.
Guest Star: Nancy Malone as Cathleen Danny forces Keith to put the brakes on his spending when his car drains his finances and he realizes he may not be able to afford to take his girlfriend to the prom.
Guest Stars: Annette O'Toole as Carol, Carl Ballantine as Pitchman The Partridges find themselves in the middle of a domestic squabble when they give a ride to a teenage girl—who turns out to be a serial runaway, with the police hot on her trail.
Guest Star: Michael Ontkean as Lester Braduck Song: "I'll Meet You Halfway" A series of coincidences leads Danny to believe he was adopted and there doesn't seem to be anything anyone can say to convince him he's a natural-born Partridge.
Guest Stars: Bernard Fox as Marty Burnes, Ned Glass as Detective Harry Klein, Art Metrano as Mike Young When the Partridges introduce a hip, multi-talented musician to a square, tone-deaf poet, no one expects them to score a hit—but somehow they manage to do just that.
Guest star: Gordon Jump as Albertson Songs: "24 Hours A Day"; "I Woke Up In Love This Morning" Shirley's mom and dad are about to split up over his new hip lifestyle, so the family devises a plan to get them back together.
Guest Stars: Ray Bolger and Rosemary DeCamp as Fred and Amanda Renfrew In order to buy his mom a mink coat for her birthday, Danny starts stealing and selling off Keith's possessions to his lovesick fans.
Guest star: Harry Morgan as Cal A former psychic whose business is in trouble cons Danny and Keith into lending him money by predicting bad luck during an upcoming Partridge Family concert.
Guest Stars: James Carroll Jordan as Goose, David Jollife as 1st Biker, Tim Patrick as Guy, Cindy Cassell as Girl Shirley is chosen as "Mother of The Year" by a magazine, but she and the family experience a not-so-smooth journey to the award ceremony in Sacramento.
Guest stars: Edgar Buchanan as Judge McElwreath, Rick Hurst as Deputy Haynie, Yvonne Wilder as Sheila, Mitzi Hoag as Mrs. Halfussi, Jack Lukes as Driver Keith dates a princess.
Guest stars: Season Hubley as Princess Jennie, Laurie Main as Frederic La Forge, Cecil Turnbow as Hal Buckley, John Bernard as Valentine, Sheldon Lee as Photographer Reuben and Danny become roomies while wagering on a bet to tackle their vices.
Guest star: Charlotte Rae as Dr. Beecher, Bruce Kimmel as Richard Whipple, Maggie Wellman as Molly, Patti Cohoon as Gloria Hickey Shirley's parents try to enliven their marriage.
Guest stars: Ray Bolger and Rosemary De Camp as Grandpa and Grandma, Bill Zuckert as Dwight, Gordon Jump as Minister, Toni Berrell as Candy, Ondine Vaughn as Daisy Songs: "Something New Got Old" Keith campaigns for a politician who likes Shirley.
Guest star: Arte Johnson as Morris Dinkler, Nelson D. Cuevas as Officer Metscur, Mel Gallagher as Sam Barner Laurie is dragged into student court at school when she's caught unwittingly returning a copy of a stolen math test to her teacher.
Guest stars: Mary Ann Mobley as Audrey Parson, Johnny Bench as Pool Waiter Songs: "Together We're Better", "Girl You Make My Day" Shirley's old flame comes to town with his daughter Julie.
Guest star: William Windom as Uncle Erwin, Elaine Giftos as Bonnie Kleinschmidt, John Lawrence as Conventioneer, Ondine Vaughn as Gwen Could America's "heartthrob" Keith be failing his sex-education course in school?
Guest stars: Vic Tayback as Harlan Laws, Alan Oppenheimer as Mr. Atwater, John David Carson as Tom Baker, Robert F. Simon as Mr. Gordon, Gary Morgan as Albert, Lou Frizzell as George Danny finds himself in trouble when his friend Punky coerces him into shoplifting.
Guest stars: Henry Jones as Mr. Phelps, Gary Dubin as Punky, Joseph Perry as Police Sergeant, Jack Collins as M.C., Angela Clarke as Myra Fromacher Keith finds himself in a hotly contested battle for student-body president with a shy girl for whom Laurie is campaign manager.
Guest star: John Astin as Sidney Rose, Jim Antonio as Pearson, Sari Price as Woman A mystery writer challenges the Partridges: if all of them can elude his search for 24 hours, he'll donate $25,000 to charity.
Guest Stars: Richard Schaal as Rezo, Martin Speer as Lazaar, Bruce Kimmel as Delbert, Susan Neher as Girl The Partridges come up against a new neighbor who hates show business and resorts to enforcing noise pollution ordinances against the family.
Guest stars: Barbara Sigel as Rachel, Harold Gould as Walter Yost After becoming a pest tagging along after Keith and Laurie, Danny is encouraged by Shirley to make friends his own age by trying out for the baseball team.
Guest stars: Margaret Hamilton as Clara Kincaid, Elaine Giftos as Bonnie Kleinschmidt Keith pulls the classic boner by having two dates for the same night: one of them is the prettiest girl in school, the other a friend of Laurie's.
Guest stars: Elaine Giftos as Bonnie Kleinschmidt, Bobby Kramer as Wally Benton, Cheryl Ladd as Johanna Houser and Cindy Cassell as Sally Winkler Songs: "Oh No, Not My Baby", "A Little Bit Of Lovin'" Laurie is the object of a rich admirer on a cruise ship, but all is not exactly how it appears.
Guest stars: Richard Mulligan as Howard Lipton, Pat Harrington as Roger Harper Keith enrolls in a college sociology course, but finds himself infatuated with an older (and very happily married) co-ed.
Guest stars: Maxine Stuart as Miss Halstead, Gary Durbin as Punky Lazaar Dueling dilemmas come together: Laurie needs to get out of babysitting in order to go skiing, and Keith needs someone to make a girl he's interested in jealous.
Guest star: George Chakiris as Captain Chuck Corwin A one-hour celebration featuring the casts of The Partridge Family and My Three Sons discussing their current lives and memorable moments from their past shows.