Ep 14. SpongeBob B.C.

In SpongeBob SquarePants season 3 episode 14, titled "SpongeBob B.C.", viewers are taken on a journey back in time to prehistoric Bikini Bottom. The episode opens with SpongeBob, Patrick, and Squidward working at the Krusty Krab when they stumble upon a time capsule in the restaurant's storage room. Upon opening the capsule, they discover a letter from the ancient Bikini Bottomites, a group of prehistoric sea creatures who lived in the area thousands of years ago.

Intrigued by the letter, SpongeBob, Patrick, and Squidward head out on a quest to learn more about the ancient Bikini Bottomites. They journey through the old, rustic town, where they witness cavemen-like SpongeGar, Patar, and Squog (prehistoric versions of themselves) as they go about their daily lives. The trio learns that the ancient Bikini Bottomites have a tradition of throwing a giant feast once a year, and they eagerly decide to join in the festivities.

As they participate in the feast, SpongeBob, Patrick, and Squidward learn about the simple yet fulfilling life of the ancient Bikini Bottomites. They see that, despite their primitive ways, the creatures are happy and content with their lives. SpongeBob even gains a newfound appreciation for his own life and realizes that he doesn't need all of the modern conveniences he's come to rely on.

Overall, "SpongeBob B.C." is a heartwarming episode that teaches viewers about the value of simplicity and the importance of appreciating the little things in life. The prehistoric setting adds an element of fun and adventure to the story, making it a fan-favorite among SpongeBob SquarePants fans of all ages.