Dr. Zachary Smith

Irwin Allen's Lost in Space

• Episode 1x09: The Oasis (Nov 10, 1965)
• Episode 1x14: Attack of the Monster Plants (Dec 15, 1965)
• Episode 1x15: Return from Outer Space (Dec 29, 1965)
• Episode 1x23: The Space Trader (Mar 9, 1966)
• Episode 1x24: His Majesty Smith (Mar 16, 1966)
• Episode 1x25: The Space Croppers (Mar 30, 1966)
• Episode 1x26: All That Glitters (Apr 6, 1966)
• Episode 1x27: The Lost Civilization (Apr 13, 1966)
• Episode 1x28: A Change of Space (Apr 20, 1966)
• Episode 1x29: Follow the Leader (Apr 27, 1966)
• Episode 2x01: Blast Off Into Space (Sep 14, 1966)
• Episode 2x02: Wild Adventure (Sep 21, 1966)
• Episode 2x03: The Ghost Planet (Sep 28, 1966)
• Episode 2x04: Forbidden World (Oct 5, 1966)
• Episode 2x05: Space Circus (Oct 12, 1966)
• Episode 2x06: The Prisoners of Space (Oct 19, 1966)
• Episode 2x07: The Android Machine (Oct 26, 1966)
• Episode 2x08: The Deadly Games of Gamma 6 (Nov 2, 1966)
• Episode 2x09: The Thief of Outer Space (Nov 9, 1966)
• Episode 2x10: Curse of Cousin Smith (Nov 16, 1966)
• Episode 2x11: West of Mars (Nov 30, 1966)
• Episode 2x12: A Visit to Hades (Dec 7, 1966)
• Episode 2x13: Wreck of the Robot (Dec 14, 1966)
• Episode 2x14: The Dream Monster (Dec 21, 1966)
• Episode 2x15: The Golden Man (Dec 28, 1966)
• Episode 2x16: The Girl from the Green Dimension (Jan 4, 1967)
• Episode 2x17: The Questing Beast (Jan 11, 1967)
• Episode 2x18: The Toymaker (Jan 25, 1967)
• Episode 2x20: The Space Vikings (Feb 8, 1967)
• Episode 2x21: Rocket to Earth (Feb 15, 1967)
• Episode 2x22: The Cave of the Wizards (Feb 22, 1967)
• Episode 2x24: Revolt of the Androids (Mar 8, 1967)
• Episode 2x25: The Colonists (Mar 15, 1967)
• Episode 2x26: Trip Through the Robot (Mar 22, 1967)
• Episode 2x27: The Phantom Family (Mar 29, 1967)
• Episode 2x28: The Mechanical Men (Apr 5, 1967)
• Episode 2x29: The Astral Traveler (Apr 12, 1967)
• Episode 2x30: The Galaxy Gift (Apr 26, 1967)
• Episode 3x01: Condemned of Space (Sep 6, 1967)
• Episode 3x02: Visit to a Hostile Planet (Sep 13, 1967)
• Episode 3x03: Kidnapped in Space (Sep 20, 1967)
• Episode 3x04: Hunter's Moon (Sep 27, 1967)
• Episode 3x05: The Space Primevals (Oct 4, 1967)
• Episode 3x06: Space Destructors (Oct 11, 1967)
• Episode 3x07: The Haunted Lighthouse (Oct 18, 1967)
• Episode 3x08: Flight Into the Future (Oct 25, 1967)
• Episode 3x09: Collision of Planets (Nov 8, 1967)
• Episode 3x10: Space Creature (Nov 15, 1967)
• Episode 3x11: Deadliest of the Species (Nov 22, 1967)
• Episode 3x12: A Day at the Zoo (Nov 29, 1967)
• Episode 3x13: Two Weeks in Space (Dec 13, 1967)
• Episode 3x14: Castles in Space (Dec 20, 1967)
• Episode 3x15: The Anti-Matter Man (Dec 27, 1967)
• Episode 3x16: Target Earth (Jan 3, 1968)
• Episode 3x17: Princess of Space (Jan 10, 1968)
• Episode 3x18: The Time Merchant (Jan 17, 1968)
• Episode 3x19: The Promised Planet (Jan 24, 1968)
• Episode 3x20: Fugitives in Space (Jan 31, 1968)
• Episode 3x21: Space Beauty (Feb 14, 1968)
• Episode 3x22: The Flaming Planet (Feb 21, 1968)
• Episode 3x23: The Great Vegetable Rebellion (Feb 28, 1968)
• Episode 3x24: Junkyard in Space (Mar 6, 1968)

• Episode 1x01: The Reluctant Stowaway (Sep 15, 1965)
• Episode 1x02: The Derelict (Sep 22, 1965)
• Episode 1x03: Island in the Sky (Sep 29, 1965)
• Episode 1x04: There Were Giants in the Earth (Oct 6, 1965)
• Episode 1x06: Welcome Stranger (Oct 20, 1965)
• Episode 1x07: My Friend, Mr. Nobody (Oct 27, 1965)
• Episode 1x08: Invaders from the Fifth Dimension (Nov 3, 1965)
• Episode 1x10: The Sky is Falling (Nov 17, 1965)
• Episode 1x12: The Raft (Dec 1, 1965)
• Episode 1x16: The Keeper (1) (Jan 12, 1966)
• Episode 1x17: The Keeper (2) (Jan 19, 1966)
• Episode 1x18: The Sky Pirate (Jan 26, 1966)
• Episode 1x19: Ghost in Space (Feb 2, 1966)
• Episode 1x20: War of the Robots (Feb 9, 1966)
• Episode 1x21: The Magic Mirror (Feb 16, 1966)
• Episode 1x22: The Challenge (Mar 2, 1966)