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Lost in Space: The Anti-Matter Man

Duplicates of John and Don, prisoners of a shadow world, plot their escape. As John uses an atomizing unit to investigate engine repairs, they sense their chance. The evil copy of John breaks through and drags the real John back to his own dark world! He plans to make the switch permanent, unless Will and the Robot can stop him!

Episode Info

Episode number: 3x15
Production Number: 1512
Airdate: Wednesday December 27th, 1967

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Fred Krone
As Flying Monster
Main Cast
Guy Williams
As Professor John Robinson
June Lockhart
As Dr. Maureen Robinson
Mark Goddard (1)
As Major Donald West
Marta Kristen
As Judy Robinson
Bill Mumy
As Will Robinson
Angela Cartwright
As Penny Robinson
Jonathan Harris (1)
As Dr. Zachary Smith
Dick Tufeld
voiced Robot / Narrator
Bob May (1)
As Robot
Episode Notes
There were no guest stars for this episode, but both Guy Robinson and Mark Goddard played dual roles.

The "evil" robot did not wear clothes, of course, but it was painted in a scheme similar to the clothing worn by the evil duplicates. One might presume this is some sort of prison uniform. The evil robot's chest light was green, which is the "opposite" color (in color film negatives) to the real robot's red flashing chest light.

Other Episode Crew

CreatorIrwin Allen
ProducerIrwin Allen
Associate ProducerWilliam Dario Faralla
Unit Production ManagerJames M. Walters Jr.
Music EditorGeorge Probert
Music SupervisorLionel Newman
Costume DesignerPaul Zastupnevich
Set DecoratorJames Hassinger  |  Walter M. Scott
Production CoordinatorLes Warner
Post Production SupervisorGeorge E. Swink
Supervising Sound EditorDon Hall
Director of PhotographyFrank G. Carson
Story EditorAnthony Wilson
Production SupervisorJack Sonntag
Art DirectorFrank O. Barnette  |  Jack Martin Smith
Post Production CoordinatorRobert Mintz
Film EditorAxel Hubert, Sr.
Assistant DirectorSteven Bernhardt
Executive In Charge Of ProductionWilliam Self (2)  |  Guy Della-Cioppa
Production AssociateHal Herman
Sound Effects EditorBob Cornett
Supervising Music EditorLeonard A. Engel
Theme MusicJohn Williams (3)
Special Photographic EffectsL.B. Abbott
Warning: Lost in Space season 3 episode 15 guide may contain spoilers
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