#1 | 09/11/1966And Then I Wrote Happy Birthday to You
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.
#2 | 09/18/1966The Copper Caper
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.
#3 | 09/25/1966The Initiation
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.
#4 | 10/02/1966Tailor Made Hero
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.
#5 | 10/09/1966The Rainmakers
There is a drought in the village, Boss decides to offer Mac and Hec as a sacrifice to the great Water Spirit.
#6 | 10/16/1966The Courtship of Miles Gronk
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.
#7 | 10/23/1966The Champ
Not wanting to fight, Mac persuades Boss to choose a champion to represent the tribe against its neighbor.
#8 | 10/30/1966Mark Your Ballets
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.
#9 | 11/06/1966Have I Got A Girl for You
Shad tries to find the perfect mates for the astronauts.
#10 | 11/13/1966Cave Movies
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.
#11 | 11/20/1966Androcles and Clon
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 judgement.
#12 | 11/27/1966Love Me, Love My Gnook
When a puppy trots out of the spacecraft, Hector decides to give it to Breer as a farewell present; the cave dwellers become petrified at the sight of the puppy, blaming it for all of the calamities befalling the village.
#13 | 12/04/1966The Broken Idol
While searching for aluminum ore with which to repair their spacecraft, Mac and Hector accidentally desecrate an idol to the fire god.
#14 | 12/11/1966The Sacrifice
Mac and Hector are dismayed to learn that Mlor is going to be sacrificed to the dinosaurs to guarantee the villagers' safety, and they beg Boss to abolish the barbarous custom.
#15 | 12/18/1966King Hec
When Hector warns the cave dwellers of an imminent storm, they shower him with adoration and give him the royal treatment.
#16 | 12/25/1966The Mother-in-law
Gronk's mother-in-law pays a visit and takes a heavy-handed interest in her granddaughter's personal affairs.
#17 | 01/01/1967Which Doctor's Witch?
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.
#18 | 01/08/1967To Catch a Thief
Hector and Mac resolve to catch the real thief after being accused of stealing various items from the cave dwellers.
#19 | 04/02/1967The Stowaway
While blasting off, Mac and Hector discover cave-girl Mlor hiding behind an instrument panel in the spacecraft.
#20 | 01/22/196720th Century Here We Come
Hector and crew leave the stoneage and enter the 20th.
#21 | 01/29/1967Shad Rack and Other Tortures
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.
#22 | 02/05/1967The Cave Family Swingers
A talent agent overhears the cave family singing in Hector and Mac's apartment and advises the family members to continue to rehearse their unique sound.
#23 | 02/19/1967To Sign or Not to Sign
Mac teaches Gronk and Shadd to write their names. With this new talent they sign up for things.
#24 | 02/26/1967School Days, School Days
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.
#25 | 03/05/1967Our Brothers' Keepers
Hector and Mac bring the cave family to the airbase to meet Gen. Morley as proof they traveled back in time to the Stone Age.
#26 | 03/12/1967The Stone Age Diplomats
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.
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