When Genghis laments the old days when Wisdom San first beat him and ruined his hopes to destroy the world, Ms. Mister gets the idea to send Genghis back in time to change the tide of the battle to the side of evil. Only three super duper sumos can stop their time-changing plan of destruction. watch
Shemo, the fourth sumoteer (separated in the first flashback of the first episode) arrives in Generic City bent on destroying Bad Inc. Shemo is tougher than our heroes, stronger, smarter, swifter... and she's a girl. This leads to sibling rivalry, which ends in a lesson well learned. She's a girl. No wait, it's something more along the lines of appreciating another's talents without being threatened or envious or something like that. watch
In an attempt to see whose yak is the fastest, the big-bottomed bros enter themselves in the annual, world-famous Generic City Derby. In the race, they come upon Bad Inc.'s evil plan using a Trojan Horse to win and blow up the winner's circle where the Mayor of Tokyo and Wisdom San are gathered. It's neck and neck and turns out to be a photo finish in the home stretch of disaster. watch