Hector and Mac have their first day in the past and the caveman think they are evil spirits. They make good with a caveman's son and save his life. He wants to be an adult and the custom is to spend a day in the jungle alone. Hector and Mac suggest that instead of having this ritual they throw him a birthday party instead.
Mac and Hector need to find copper to repair the space ship. Unfortunately, the only copper they can find is around Boss's neck, in his necklace.
Mac and Hec decide to move into a cave but they must become tribe members first. The must perform a few customary rituals before they become tribe members.
Mac and Hector are heroes to Breer after they rescue him from a blocked cave. Mac and Hector try to think of ways to get Gronk to look like a hero to Breer.
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 so, they do their best to institute modern, civilized courting techniques.
The cave people learn how to use a slingshot.
The astronauts try to persuade the cave people to elect a new leader.
Shad tries to find the perfect mates for the astronauts.
Hector and Mac try to catch the thief that is framing them
Mlor hides aboard the spaceship to avoid a marriage to Boss' son. "The Stowaway" was originally scheduled to air January 15, 1967. But due to a programming change as a result of the first-ever aired Super Bowl, it was not broadcast until April 2, 1967.
They leave the stoneage and enter the 20th century.
Mac teaches Gronk and Shadd to write their names. With this new talent they sign up for things.
Breer goes to school in the modern day world.
An Interview with Pat Carrdi (Who Played Breer on It's About Time.