The Time Tunnel - Season 1 - Eps 18: Visitors from Beyond the Stars
The guys land in a Western town in the late 19th century, where they are intercepted by two silver-clad aliens. The two aliens need to steal protein to supplement their own supplies, and soon use their advanced technology to mind-control Doug and hold the confused townspeople at bay while stealing local cattle. Tony manages to get hold of one of the alien control devices. Meanwhile, at Project TickTock the same alien race but from 1966 arrive and demand to know what happened to their scouting party a hundred years earlier, believing the Project to have something to do with it. Tony manages to free Doug from mind control and defeat the aliens in the past, while the ones in the present witness the departure of the scouting party in the past and are satisfied Earth had nothing to do with their disappearance.
About The Time Tunnel

Title: The Time Tunnel
First Air Date: 1966-09-09
Last Air Date: 1967-04-07
Status: Ended
Rating: 7.602/10 (from 171 votes)
Language: EN
Seasons: 2
Total Episodes: 30
Network: ABC
Genres: Action & Adventure, Sci-Fi & Fantasy, Drama
Production Companies: Irwin Allen Productions, 20th Century Fox Television, ABC, Kent Productions
Synopsis
The Time Tunnel is a 1966–1967 U.S. color science fiction TV series, written around a theme of time travel adventure. The show was creator-producer Irwin Allen's third science fiction television series, released by 20th Century Fox and broadcast on ABC. The show ran for one season of 30 episodes. Reruns are viewable on cable and by internet streaming. A pilot for a new series was produced in 2002, although it was not picked up.
Cast

James Darren
Tony Newman

Robert Colbert
Doug Phillipps

Whit Bissell
General Heywood Kirk

Lee Meriwether
Dr. Ann McGregor

John Zaremba
Dr. Raymond Swain