The last of a group of aliens seeks to find a cure for an alien disease that causes their species to literally punch themselves to death. They abduct Muriel, Eustace, and Courage in hopes that extracting DNA from them will give them the right formula for an antidote.Ball of Revenge
Eustace is fed up with Muriel "spoiling" Courage, and invites all of Courage's past enemies together to form the ultimate dodgeball team that will satisfy their thirst for revenge.
- The Cameo: Freaky Fred gets one at the end of "Ball of Revenge".
- Dodgeball Is Hell: Taken to the extreme, where Courage almost dies. In the end, it is implied that all the villains died by falling through a crevas formed by Courage's Earth shattering scream.
- Hoist by His Own Petard: Eustace, yet again. At the end of "Ball of Revenge", he ends up on the floor with the blanket that Muriel knit for Courage, and Courage gets to sit in his chair.
- Make Me Wanna Shout
- The Scream: Of course Courage always ends up screaming over something in every episode, but in "Ball of Revenge" he screams so hard that he ultimately defeats his enemies by forming a crack in the ground that they all fall into.
- Took a Level in Jerkass: Eustace bumps up his regular Jerkass level to antagonistic.
- Villain Team-Up
Katz: Fancy a sport before dying, old boy?