Ep 19. Caveman

In Regular Show season 4 episode 19, titled "Caveman," we find our beloved park employees, Mordecai and Rigby, in a bit of a predicament. After losing a large amount of money to a rigged carnival game, the two decide to go camping in the woods to find a way to earn the money back.

Unbeknownst to them, a caveman has been thawed out from ice and is now on the loose in the same area where they are camping. The caveman, named Grob, is from a different era and struggles to adjust to the modern world. He eventually comes across Mordecai and Rigby and becomes fascinated with their new technology.

Mordecai and Rigby are initially frightened by Grob's presence, but they soon realize that he is harmless and just needs help adjusting to his new surroundings. They invite him to stay with them in their camping tent and teach him about the modern world.

As the night goes on, the trio bond over their shared love for video games and junk food. However, things take a turn when Grob accidentally destroys their camping site, causing the park rangers to come after them.

Despite their best efforts to hide Grob, they are eventually caught and must face the consequences of their actions. In the end, they come up with a plan to help Grob integrate into modern society.

The episode is filled with humorous moments, including Grob's confusion about modern technology and his comical attempts to use it. It also highlights the importance of acceptance and understanding, as Mordecai and Rigby learn not to judge someone based on their appearance or background.

Overall, "Caveman" is a fun and heartwarming episode that showcases the unique friendship between Mordecai, Rigby, and Grob.