The Time Tunnel - Season 1 - Eps 29: Raiders from Outer Space
Tony and Doug arrive in Khartoum, November 2, 1883, in the middle of a battle between British and Arab forces. However, two aliens take them prisoner. The aliens plan to conquer Earth with missiles, and will be ready to launch in two hours - they send a bomb to the Project to prevent them from interfering. Tony is taken to be killed but the alien with him is forced to teleport out when the British approach. Then both guys are transferred out of the cave by the Tunnel staff, where they make contact with Captain Henderson and convince him about the aliens. The three of them attack the cave and manage to stop the aliens, with some help when the Project send the bomb back to the aliens.
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