Meet Strong Bad, a prankster with a a luchador mask on his face and boxing gloves always on. He has a simple lifestyle consisting in playing pranks to anyone less "awesome" than him, checking email on his lappy, playing Videlectrix games and drawing Teenage Girl Squad cartoons.
When Strong Bad's plans to beat the snot out of Homestar backfire, he ends up with an unwanted houseguest cramping his style. Now he needs to get life back to normal, by any means possible.
The other episodes are Baddest of the Bands, Strong Badia the Free, Dangeresque 3 and 8-Bit Is Enough.