Ep 9. A Grim Surprise / Beast and Barbarians

In season 1 episode 9 of The Grim Adventures of Billy and Mandy, titled "A Grim Surprise/Beast and Barbarians," Billy and Mandy receive the surprise of their lives when Grim gives them a magical box from his home world. The box contains a creature called the Crypt Creeper, who is known for sucking the life force out of living beings. Despite Grim's warnings, Billy and Mandy open the box and release the Crypt Creeper, putting their own lives in danger.

As they try to figure out how to contain the creature, Billy and Mandy encounter a barbarian named Hoss Delgado, who is on a mission to protect his town from a group of beast-like creatures that have been wreaking havoc. Hoss offers to help the duo capture the Crypt Creeper, and they team up to save the day.

However, things don't go according to plan when the Crypt Creeper starts draining Hoss's life force instead. The trio must work together to capture the creature before it's too late. Along the way, they encounter various challenges and obstacles, including other dangerous creatures and traps set by the beast and barbarians.

Despite the danger, Billy and Mandy manage to use their quick wit and strategic thinking to ultimately outsmart the Crypt Creeper and save Hoss's life. In the end, they must say goodbye to their new friend Hoss and the magical box, knowing they won't soon forget this adventure.

Overall, "A Grim Surprise/Beast and Barbarians" is an action-packed, thrilling episode of The Grim Adventures of Billy and Mandy that showcases the trio's bravery and quick thinking in the face of danger. Fans of the show will love seeing Billy and Mandy teaming up with Hoss Delgado, and the episode is sure to keep viewers on the edge of their seats from start to finish.