"Ziggy's Alien" is an episode in the first season of LazyTown.
"Ziggy wants to play space games with the other kids, but they say he is too small. Robbie poses as an alien named Zobby and tries to make the kids do his bidding. Ziggy befriends the alien but the other kids believe Zobby should return to his own planet. They blast Zobby and Ziggy into space in a rocket that goes haywire, but Sportacus saves the day."