Also Starring: Arlene Martel (T'Pring), Lawrence Montaigne (Stonn)
Featuring: Majel Barrett (Christine Chapel), George Takei (Sulu), Nichelle Nichols (Uhura), Walter Koenig (Chekov), Byron Morrow (Admiral Komack)
Written By: Theodore Sturgeon
Directed By: Joseph Pevney
Ep: 31
Who Mourns For Adonais?
Guest Stars: Michael Forest (Apollo), Leslie Parrish (Carolyn)
Featuring: James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura), Walter Koenig (Chekov), John Winston (Lieutenant Kyle)
Written By: Gilbert Ralston
Directed By: Marc Daniels
Ep: 32
The Changeling
Featuring: James Doohan (Scott), Nichelle Nichols (Uhura), George Takei (Sulu), Majel Barrett (Christine Chapel)
With: Blaisdell Makee (Singh), Barbara Gates (Crewwoman), Meade Martin (Crewman), Arnold Lessing (Security Guard), Vic Perrin (Nomad's Voice)
Written By: John Meredyth Lucas
Directed By: Marc Daniels
Ep: 33
Mirror, Mirror
Guest Star: Barbara Luna (Marlena)
Featuring: James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura), Vic Perrin (Tharn), Walter Koenig (Chekov), John Winston (Lieutenant Kyle), Garth Pillsbury (Wilson), Pete Kellett (Kirk's Henchman)
Featuring: James Doohan (Scott), David Soul (Makora), Walter Koenig (Chekov), Jay Jones (Ensign Mallory), Jerry Daniels (Marple), John Winston (Lieutenant Kyle), Mal Friedman (Hendorff), Shari Nims (Sayana)
Written By: Max Ehrlich
Directed By: Joseph Pevney
Ep: 35
The Doomsday Machine
Guest Star: William Windom (Commodore Decker)
Featuring: James Doohan (Scott), George Takei (Sulu), Elizabeth Rogers (Lieutenant Palmer)
With: John Winston (Lieutenant Kyle), Richard Compton (Washburn), John Copage (Elliott), Tim Burns (Russ), Jerry Catron (Montgomery)
Written By: Norman Spinrad
Directed By: Marc Daniels
Ep: 36
Catspaw
Guest Star: Antoinette Bower (Sylvia)
Co-Starring: Theo Marcuse (Korob)
Featuring: James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura), Walter Koenig (Chekov), Michael Barrier (DeSalle)
With: John Winston (Transporter Chief), Rhodie Cogan (First Witch), Gail Bonney (Second Witch), Maryesther Denver (Third Witch), Jimmy Jones (Crewman Jackson)
Written By: Robert Bloch
Directed By: Joseph Pevney
Ep: 37
I, Mudd
Guest Star: Roger C. Carmel (Harry Mudd)
Co-Starring: Richard Tatro (Norman), Alyce Andrece (Alice #1 through 250), Rhae Andrece (Alice #251 through 500)
Featuring: James Doohan (Scott), Nichelle Nichols (Uhura), George Takei (Sulu), Walter Koenig (Chekov), Kay Elliot (Stella Mudd), Mike Howden (Lieutenant Rowe), Michael Zaslow (Jordan)
Featuring: James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura)
Uncredited: Majel Barrett (Voice of Companion)
Written By: Gene L. Coon
Directed By: Ralph Senensky
Ep: 39
Journey to Babel
Guest Stars: Miss Jane Wyatt (Amanda), Mark Lenard (Sarek)
Featuring: Nichelle Nichols (Uhura), William O'Connell (Thelev), Majel Barrett (Nurse Chapel), Walter Koenig (Chekov), John Wheeler (Gav), James X. Mitchell (Josephs), Reggie Nalder (Shras)
Written By: D. C. Fontana
Directed By: Joseph Pevney
Ep: 40
Friday's Child
Guest Star: Julie Newmar (Eleen)
Also Starring: Tige Andrews (Krag), Michael Dante (Maab)
Featuring: James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura), Cal Bolder (Keel), Ben Gage (Akaar), Walter Koenig (Chekov), Kirk Raymone (Duur), Robert Bralver (Grant)
Written By: D. C. Fontana
Directed By: Joseph Pevney
Ep: 41
The Deadly Years
Guest Star: Charles Drake (Commodore Stocker)
Also Starring: Sarah Marshall (Janet Wallace)
Featuring: James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura), Majel Barrett (Christine Chapel), Walter Koenig (Chekov), Felix Locher (Mr. Johnson), Carolyn Nelson (Yeoman Atkins), Laura Wood (Mrs. Johnson), Beverly Washburn (Arlene Galway)
Written By: David P. Harmon
Directed By: Joseph Pevney
Ep: 42
Obsession
Guest Stars: Stephen Brooks (Ensign Garrovick), James Doohan (Scott), Nichelle Nichols (Uhura), Jerry Ayres (Rizzo), Majel Barrett (Nurse Chapel), Walter Koenig (Chekov)
Written By: Art Wallace
Directed By: Ralph Senensky
Ep: 43
Wolf in the Fold
Guest Star: John Fiedler (Hengist)
Also Starring: Charles Macauley (Jaris), Pilar Seurat (Sybo)
Featuring: James Doohan (Scott), George Takei (Sulu), Charles Dierkop (Morla), Joseph Bernard (Tark)
With: Tania Lemani (Kara), John Winston (Transporter Chief), Virginia Aldridge (Karen Tracy), Judy McConnell (Yeoman Tankris), Judi Sherven (Nurse)
Written By: Robert Bloch
Directed By: Joseph Pevney
Ep: 44
The Trouble With Tribbles
Co-Starring: William Schallert (Nilz Baris), William Campbell (Koloth), Stanley Adams (Cyrano Jones), Whit Bissell (Lurry)
Featuring: James Doohan (Scott), Nichelle Nichols (Uhura), Michael Pataki (Korax), Ed Reimers (Admiral Fitzpatrick), Walter Koenig (Chekov), Charlie Brill (Arne Darvin), Paul Baxley (Ensign Freeman), David Ross (Guard), Guy Raymond (Trader)
Written By: David Gerrold
Directed By: Joseph Pevney
Ep: 45
The Gamesters of Triskelion
Guest Star: Joseph Ruskin (Galt)
Co-Starring: Angelique Pettyjohn (Shahna)
Featuring: Nichelle Nichols (Uhura), James Doohan (Scott), Steve Sandor (Lars), Walter Koenig (Chekov), Jane Ross (Tamoon), Victoria George (Ensign Jana Haines), Dick Crockett (Andorian Thrall), Mickey Morton (Kloog)
Written By: Margaret Armen
Directed By: Gene Nelson
Ep: 46
A Piece of the Action
Guest Star: Anthony Caruso (Bela)
Co-Starring: Victor Tayback (Krako), Lee Delano (Kalo), James Doohan (Scott), Nichelle Nichols (Uhura), Walter Koenig (Chekov)
Guest Stars: James Doohan (Scott), Nichelle Nichols (Uhura), Walter Koenig (Chekov), John Winston (Lieutenant Kyle), Majel Barrett (Christine Chapel)
Written By: Robert Sabaroff
Directed By: Joseph Pevney
Ep: 48
A Private Little War
Guest Stars: Nancy Kovack (Nona), Michael Witney (Tyree), James Doohan (Scott), Nichelle Nichols (Uhura), Ned Romero (Krell), Majel Barrett (Nurse Chapel)
Featuring: Walter Koenig (Chekov), Booker Bradshaw (Dr. M'Benga), Arthur Bernard (Apella), Janos Prohaska (The Gumato), Paul Baxley (Patrol Leader), Gary Pillar (Yutan)
Story By: Jud Crucis
Teleplay By: Gene Roddenberry
Directed By: Marc Daniels
Ep: 49
Return to Tomorrow
Guest Stars: Diana Muldaur (Ann Mulhall), James Doohan (Scott/Voice of Sargon), Nichelle Nichols (Uhura), George Takei (Sulu), Cindy Lou (Nurse), Majel Barrett (Christine Chapel)
Written By: John Kingsbridge
Directed By: Ralph Senensky
Ep: 50
Patterns of Force
Guest Star: Richard Evans (Isak), Valora Noland (Daras)
Special Appearance By: Skip Homeier (Melakon), David Brian (John Gill)
Featuring: James Doohan (Scott), Nichelle Nichols (Uhura), Patrick Horgan (Eneg), William Wintersole (Abrom), Gilbert Green (S.S. Major), Walter Koenig (Chekov), Ralph Maurer (S.S. Lieutenant), Ed McCready (S.S. Trooper), Peter Canon (Gestapo Lieutenant), Paul Baxley (First Trooper), Chuck Courtney (Davod), Bart La Rue (Newscaster)
Written By: John Meredyth Lucas
Directed By: Vincent McEveety
Ep: 51
By Any Other Name
Guest Star: Warren Stevens (Rojan)
Co-Starring: Barbara Bouchet (Kelinda)
Featuring: James Doohan (Scott), Nichelle Nichols (Uhura), Majel Barrett (Christine), Stewart Moss (Hanar)
With: Walter Koenig (Chekov), Robert Fortier (Tomar), Lezlie Dalton (Drea), Carl Byrd (Lieutenant Shea), Julie Cobb (Yeoman)
Story By: Jerome Bixby
Teleplay By: D. C. Fontana & Jerome Bixby
Directed By: Marc Daniels
Ep: 52
The Omega Glory
Guest Star: Morgan Woodward (Captain Tracey)
Also Starring: Roy Jenson (Cloud William), George Takei (Sulu), Nichelle Nichols (Uhura), Irene Kelly (Sirah), Morgan Farley (Yang Scholar), David L. Ross (Lieutenant Galloway), Lloyd Kino (Wu), Ed McCready (Dr. Carter), Frank Atienza (Kohn Villager)
Written By: Gene Roddenberry
Directed By: Vincent McEveety
Ep: 53
The Ultimate Computer
Guest Star: William Marshall (Daystrom), James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura)
Featuring: Walter Koenig (Chekov), Sean Morgan (Harper), Barry Russo (Wesley)
Story By: Laurence N. Wolfe
Teleplay By: D. C. Fontana
Directed By: John Meredyth Lucas
Ep: 54
Bread and Circuses
Guest Star: William Smithers (Merik)
Co-Starring: Logan Ramsey (Claudius), Ian Wolfe (Septimus), William Bramley (Policeman), Rhodes Reason (Flavius)
Featuring: James Doohan (Scott), Nichelle Nichols (Uhura), Walter Koenig (Chekov), Bart La Rue (Announcer), Jack Perkins (Master of Games), Max Kleven (Maximus), Lois Jewell (Drusilla)
Written By: Gene Roddenberry & Gene L. Coon
Directed By: Ralph Senensky
Ep: 55
Assignment: Earth
Guest Star: Robert Lansing (Gary Seven)
Co-Starring: Teri Garr (Roberta Lincoln), James Doohan (Scott), George Takei (Sulu), Nichelle Nichols (Uhura), Walter Koenig (Chekov), Don Keefer (Cromwell), Lincoln Demyan (Sergeant), Morgan Jones (Colonel Nesvig), Bruce Mars (First Policeman), Ted Gehring (Second Policeman), Paul Baxley (Security Chief)
