Deep End — [s1e15] The

Grunkle Stan spends the entire day trying to secure a prized lounge chair, leading to a relentless prank war with a local child. 🔑 Key Characters

The Pines family visits the Gravity Falls Pool on the hottest day of the year.

Mabel meets Mermando , a boy trapped in the pool's filter section. She discovers he is actually a merman and vows to help him escape to the open ocean. [S1E15] The Deep End

Dipper takes a job as an assistant lifeguard to be closer to Wendy. However, he is forced to work under the strict, rule-obsessed head lifeguard, Mr. Poolcheck .

Look for the "Pool Rules" sign, which includes absurd restrictions typical of the show's humor. 🏆 Themes Grunkle Stan spends the entire day trying to

This episode introduces Mermando, who reappears in later episodes via Mabel’s scrapbook.

A lonely, Spanish-accented merman who was accidentally caught and placed in the pool. She discovers he is actually a merman and

The intimidating antagonist of the episode who runs the pool like a drill sergeant.