When does Butt-Ugly Martians return?

Butt-Ugly Martians is an animated television series. It was sold to ITV on October 2, 2000, for the original television pilot and premiered on CITV in the UK on February 19, 2001. In 2002, it also premiered on Nickelodeon in the United States, but also aired on Nicktoons until 2003.
The Butt-Ugly Martians (B.U.M.) are forced to invade planets for the evil Emperor Bog. When they are sent to Earth they become addicted to American culture. Deciding not to hurt Earth, they simply pretend to be occupying the planet for Bog.