Ep 26. The Gut Grinder

In Adventure Time season 1 episode 26, titled "The Gut Grinder," Finn and Jake investigate a mysterious thief who has been stealing everyone's gold from their stomachs. The episode begins with the duo visiting the Candy Kingdom, where they learn about the thefts. Princess Bubblegum advises them to be careful and avoid getting their gold stolen, but Finn and Jake seem unconcerned.

As they patrol the city, they come across a group of miners who are down on their luck. Finn decides to help them by offering to work in the mines. However, as they descend into the mines, they discover that something strange is going on. The miners are all missing their gold, and they soon realize that it's the work of the Gut Grinder, a legendary creature who devours people's gold.

Finn and Jake set out to find the Gut Grinder, but they soon realize that they have no idea what it looks like. As they search, they encounter a variety of strange characters, including a group of bread knights who mistake Finn for the legendary "Baker's Shard." Eventually, they meet a mysterious stranger who claims to know the identity of the Gut Grinder.

With the stranger's help, Finn and Jake track down the Gut Grinder and engage in a fierce battle. However, they soon discover that the creature they've been fighting is just a decoy. The real Gut Grinder is revealed to be someone they never suspected, and Finn has to use his wits to defeat the thief and recover the stolen gold.

Overall, Adventure Time season 1 episode 26 is a fun and action-packed episode that introduces viewers to one of the show's most interesting and memorable villains. With its mix of humor, adventure, and mystery, this episode is a great example of what makes Adventure Time such a beloved and enduring show.