- Ep: 1
- And Then I Wrote Happy Birthday to You
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Sherwood Schwartz & David P. Harmon & Elroy Schwartz
- Directed By: Richard Donner
- Note: Imogene Coca was called Shag in the first episode only. It was changed to Shad once the producers found out what shag meant in the slang of the day.
- Ep: 2
- The Initiation
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Bruce Howard
- Directed By: Jack Arnold
- Ep: 3
- The Rainmakers
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Bill Freedman & Ben Gershman
- Directed By: George Cahan
- Ep: 4
- Tailor-Made Hero
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Herbert Finn & Alan Dinehart
- Directed By: Jack Arnold
- Ep: 5
- The Copper Caper
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Joel Kane
- Directed By: George Cahan
- Ep: 6
- Have I Got a Girl For You
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Also: Mary Foran (Blob)
- Written By: Jerry Adelman
- Directed By: Leslie Goodwins
- Ep: 7
- Which Doctor's Witch?
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Also: Kathleen Freeman (Mrs. Boss)
- Written By: Albert E. Lewin
- Directed By: Leslie Goodwins
- Ep: 8
- Mark Your Ballots
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Roland MacLane
- Directed By: Leslie Goodwins
- Ep: 9
- Me Caveman -- You Woman
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Also: Kathleen Freeman (Mrs. Boss)
- Written By: Budd Grossman
- Directed By: Jack Arnold
- Ep: 10
- The Champ
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Also: Ron Feinberg (Tor), Diana Frothingham (Gam), Eddie Little Sky (Painted Chief)
- Written By: Herbert Finn & Alan Dinehart
- Directed By: Jerry Hopper
- Ep: 11
- Androcles and Clon
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Roland MacLane
- Directed By: Jerry Hopper
- Ep: 12
- Cave Movies
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Bruce Howard
- Directed By: Jerry Hopper
- Ep: 13
- The Mother-in-Law
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Also: Andy Albin (Lop), David Thorpe (Zam)
- And: Janos Prohaska ( )
- Written By: Jerry Adelman
- Directed By: Jerry Hopper
- Ep: 14
- The Broken Idol
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Brad Radnitz
- Directed By: Leslie Goodwins
- Ep: 15
- Love Me, Love Gnook
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Herbert Finn & Alan Dinehart
- Directed By: George Cahan
- Ep: 16
- The Sacrifice
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Bill Freedman & Ben Gershman & Marty Roth
- Directed By: Gary Nelson
- Ep: 17
- King Hec
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Arthur Weingarten
- Directed By: Tony Leader
- Ep: 18
- To Catch a Thief
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Written By: Budd Grossman
- Directed By: Jerry Hopper
- Ep: 19
- The Stowaway
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Grace (Mlor)
- And: Pat Cardi (Breer)
- Guest Star: Edson Stroll (Brak)
- Written By: Burt Styler
- Directed By: Dick Darley
- Ep: 20
- Twentieth Century, Here We Come
- Co-Starring: Cliff Norton (Boss)
- And: Mike Mazurki (Clon)
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Alan DeWitt (Mr. Tyler), Frank Wilcox (General Morley), Jan Arvan (Dr. Hamilton), Joseph Perry (Truck Driver), Don Ross (Zoo Guard #1), Larry Barton (Zoo Guard #2), Patrick Waltz (Technician), Paul Gleason (Man), Kathryn Minner (Little Old Lady)
- Written By: Elroy Schwartz
- Directed By: George Cahan
- Ep: 21
- Shad Rack and Other Tortures
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Alan DeWitt (Mr. Tyler), Frank Wilcox (General Morley), James Millhollin (Mr. Pringle), Dort Clarke (Officer Browne), Joe Higgins (Sergeant), Vici Raaf (Helen), Sherry O'Neil (Gladys), Snag Werris (Tracey)
- Written By: David P. Harmon
- Directed By: Jerry Hopper
- Ep: 22
- The Stone Age Diplomats
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Alan DeWitt (Mr. Tyler), Lynn Wood (Miss Primrose), Lindsay Workman (Salesman)
- And: Leon Askin (Boris Polonsky), Herb Edelman (Tony Nugent)
- Written By: Joel Kane
- Directed By: Leslie Goodwins
- Ep: 23
- Our Brothers' Keepers
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Alan DeWitt (Mr. Tyler), Frank Wilcox (General Morley), Jan Arvan (Dr. Hamilton), Allen Davis (Charlie Dandridge), Dick Balduzzi (Blakely), Brad Trumbull (Technician)
- Written By: Bill Freedman & Ben Gershman
- Directed By: David McDearmon
- Ep: 24
- The Cave Family Swingers
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Alan DeWitt (Mr. Tyler), Evelyn King (Sally), William Core (Fred Gulliver), J.B. Larson (1st Singer), Karen Valentine (2nd Singer)
- Special Guest: Jack Albertson (Rick Stewart)
- Written By: Sam Locke & Joel Rapp
- Directed By: Steve Binder
- Ep: 25
- To Sign or Not to Sign
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Susan Brown (Miss Wilson), Henry Corden (Delivery Man #1), Eddie Quillan (McAllister), Helen Clark (Miss Randolph), Joe Mell (Logan), James McCallion (Sergeant Haggerty), Nora Marlowe (Hilda), Robert Herron (Doctor), Jerry Catron (Corporal)
- Written By: Joel Kane
- Directed By: David McDearmon
- Ep: 26
- School Days, School Days
- With: Mary Graham Grace (Mlor)
- And: Pat Cardi (Breer)
- Featuring: Alan DeWitt (Mr. Tyler), Herb Vigran (Mr. Babcock), Alan Oppenheimer (Mr. Pettijohn), Nellie Burt (Miss Linden), Jackie Russell (Miss Fenway), Joe Conley (1st Pupil), Marva Scott (2nd Pupil), Christopher Harris (Georgie)
- Written By: Michael Morris
- Directed By: Jack Shea
| Frank Aletter ............ Captain "Mac" MacKenzie |
| Jack Mullaney ... Lieutenant Hector "Hec" Canfield |
| Imogene Coca ................................ Shad |
| Joe E. Ross ................................ Gronk |
| Cliff Norton ................................ Boss |
| Mike Mazurki ................................ Clon |
| Mary Graham Grace ........................... Mlor |
| Pat Cardi .................................. Breer |
