Dragon Ball 3x10

Goku recovers from his injury and begins to chase Murasaki. The ninja then and Goku cross a pirahna infested lake. Murasaki decides to use his ultimate technique and seemingly splits into five. The five Murasakis nearly overwhelm Goku. They reveal that they are actually quindruplet brothers, not five parts of one person. Goku takes them out one by one. He chases the last Murasaki brother up to a cage. The ninja releases the monster within, Android 8.