The Robinsons accidentally interrupt the voyage of a time traveler, Chronos, and then, as always, Dr. Smith manages to upset him further.
Source: HULU Distribution
Added: > 4 years ago
Credit: Fox Television Classics - © 1967-1968 20th Century Fox Tel. & Space Prod. Renewed 1994-1995 20th Century Fox Film Corp., Irwin Allen Prod., Van Bernard Prod. & Shelter Rock Prod