Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
26 Episodes 1966 - 1967
Episode 1
Sun, Sep 11, 1966
Astronauts Mac and Hector traveling faster than light, go back in time to prehistoric Earth. Unable to return, they make friends with the natives.

Episode 2
Sun, Sep 18, 1966
Mac and Hector attempt to rebuild their spaceship and take off.
Episode 3
Sun, Sep 25, 196630 mins
Mac and Hector must go through a series of initiations to join the tribe.
Episode 4
Sun, Oct 2, 1966
Breer thinks his father Gronk is a loser, so Mac, Hector and Shad cook up scenarios to make Gronk look like a hero to his son.
Episode 5
Sun, Oct 9, 1966
With a lack of water Boss and Gronk think they must sacrifice Mac and Hector for it to rain.
Episode 6
Sun, Oct 16, 1966
The astronaut visitors are troubled that Cavemen drag their women around by the hair as their form of courtship. And so, they do their best to institute modern, civilized courting techniques.
Episode 7
Sun, Oct 23, 1966
Not wanting to fight, Mac persuades Boss to choose a champion to represent the tribe against its neighbor.
Episode 8
Sun, Oct 30, 1966
Hector takes a snapshot of Boss, who suspects the astronauts will use it to harm him and condemns them to death. The astronauts try to save their skin by convincing the natives to hold an election and remove Boss from power.
Episode 9
Sun, Nov 6, 1966
After seeing their filthy cave, Shad resolves to find a wife for one of the astronauts and returns with her gorgeous daughter for Hector, who learns a few things about matrimony in the Stone Age.
Episode 10
Sun, Nov 13, 196630 mins
Before blasting off, Hector and Mac make movies of the cave dwellers using camouflaged equipment; Boss and Clon quietly watch in awe as the astronauts review their footage.
Episode 11
Sun, Nov 20, 1966
Hector and Mac make a model plane for Breer, but Boss denounces the plane as evil and orders Clon to bring the astronauts to him for native judgment.
Episode 12
Sun, Nov 27, 1966
When a puppy trots out of the spacecraft, Hector decides to give it to Breer as a farewell present and the cave dwellers become petrified at the sight of the puppy, blaming it for all of the calamities befalling the village.
Episode 13
Sun, Dec 4, 196630 mins
While searching for aluminum ore with which to repair their spacecraft, mac and Hector accidentally desecrate an idol to the fire God.
Episode 14
Sun, Dec 11, 196625 mins
Mac and Hector are dismayed to learn that Mlor is going to be sacrificed to the dinosaurs to guarantee the villager's safety, and they beg Boss to abolish the barbarous custom.
Episode 15
Sun, Dec 18, 1966
When Hector warns the cave dwellers of an imminent storm, they shower him with adoration and give him the royal treatment.
Episode 16
Sun, Dec 25, 1966
Gronk's mother-in-law pays a visit and takes a heavy-handed interest in her granddaughter's personal affairs.
Episode 17
Sun, Jan 1, 1967
Gronk becomes gravely ill on the eve of the tribe's big dinosaur hunt, and Boss performs a dance to cure him but to no avail.
Episode 18
Sun, Jan 8, 1967
Hector and Mac resolve to catch the real thief after being accused of stealing various items from the cave dwellers.
Episode 19
Sun, Jan 22, 1967
Hector and crew leave the stoneage and enter the 20th.
Episode 20
Sun, Jan 29, 1967
Hector and Mac try to convince a General to come and meet the cave people. Meanwhile Shad, Gronk, and their family visit a beauty parlor and a clothing store to try to help themselves blend in better with other people.
Episode 21
Sun, Feb 5, 196730 mins
A talent agent overhears the cave family singing in Hector and Mac's apartment and advises the family members to continue to rehears their unique sound.
Episode 22
Sun, Feb 19, 1967
Mac teaches Gronk and Shadd to write their names. With this new talent they sign up for things.
Episode 23
Sun, Feb 26, 196730 mins
Breer heads off to school for the first time and things seem to be going well. Then Gronk and Shad decide to check on their son, which leads to multiple misunderstandings and expulsion for Breer.
Episode 24
Sun, Mar 5, 1967
Hector and Mac bring the cave family to the airbase to meet General Morley as proof they traveled back in time to the Stone Age.
Episode 25
Sun, Mar 12, 196730 mins
Mac and Hector's landlord wants to kick out Gronk and family from their apartment. But the boys set-up a ruse that they are diplomats from a foreign country who simply dress differently and convince their actor friend to pretend to be the ambassador of the fake nation.
Episode 26
Sun, Apr 2, 1967
While blasting off, Mac and Hector discover cave-girl Mlor hiding behind an instrument panel in the spaceship.