Hector and Mac have their first day in the past and the caveman think they are evil spirits. They make good with a ca...

Mac and Hector need to find copper to repair the space ship. Unfortunately, the only copper they can find is around B...

Mac and Hec decide to move into a cave but they must become tribe members first. The must perform a few customary rit...

Mac and Hector are heroes to Breer after they rescue him from a blocked cave. Mac and Hector try to think of ways to ...

There is a drought in the village, Boss decides to offer Mac and Hec as a sacrifice to the great Water Spirit.

The astronaut visitors are troubled that Cavemen drag their women around by the hair as their form of courtship. And ...

Not wanting to fight, Mac persuades Boss to choose a champion to represent the tribe against its neighbor.

Hector takes a snapshot of Boss, who suspects the astronauts will use it to harm him and condemns them to death. The ...

Shad tries to find the perfect mates for the astronauts.

Before blasting off, Hector and Mac make movies of the cave dwellers using camouflaged equipment; Boss and Clon quiet...

Hector and Mac make a model plane for Breer, but Boss denounces the plane as evil and orders Clon to bring the astron...

When a puppy trots out of the spacecraft, Hector decides to give it to Breer as a farewell present; the cave dwellers...

While searching for aluminum ore with which to repair their spacecraft, Mac and Hector accidentally desecrate an idol...

Mac and Hector are dismayed to learn that Mlor is going to be sacrificed to the dinosaurs to guarantee the villagers'...

When Hector warns the cave dwellers of an imminent storm, they shower him with adoration and give him the royal treat...

Gronk's mother-in-law pays a visit and takes a heavy-handed interest in her granddaughter's personal affairs.

Gronk becomes gravely ill on the eve of the tribe's big dinosaur hunt, and Boss performs a dance to cure him but to n...

Hector and Mac resolve to catch the real thief after being accused of stealing various items from the cave dwellers.

While blasting off, Mac and Hector discover cave-girl Mlor hiding behind an instrument panel in the spacecraft.

Hector and crew leave the stoneage and enter the 20th.

Hector and Mac try to convince a General to come and meet the cave people. Meanwhile Shad, Gronk, and their family vi...

A talent agent overhears the cave family singing in Hector and Mac's apartment and advises the family members to cont...

Mac teaches Gronk and Shadd to write their names. With this new talent they sign up for things.

Breer heads off to school for the first time and things seem to be going well. Then Gronk and Shad decide to check on...

Hector and Mac bring the cave family to the airbase to meet Gen. Morley as proof they traveled back in time to the St...

Mac and Hector's landlord wants to kick out Gronk and family from their apartment. But the boys set-up a ruse that th...