Star Trek
1966-1969  (NBC)
Star Trek

The Alternative Factor

The Alternative Factor

Episode #
127
U.S. Air Date
03.30.67
Buy Digital

The Enterprise finds the pilot of a space-time ship struggling with an evil version of himself from an alternate dimension — and must stop the destruction of the entire universe.

U.S. air dates are in MM.DD.YY form.   U.K. air dates are in DD.MM.YY form.
SciFi Stream earns a commission on purchases made through our affiliate links.