Welcome! is the forty-third episode of the second season and the ninety-fifth overall episode of Space Goofs. It was aired on May 13, 2007.
The aliens are finally on their way to their home planet, Zigma B. On the way, they reprise the spaceships and other attempts they made in an attempt to leave Earth.
- Madame Zelza from the episode of the same name
- Colonel Kenny from Sir, Yes Sir!
- Crash Test Dummy from the episode of the same name
- Norman and his Mother from Mummy's Boy
- Princess Zibuya from Bollywood Aliens
- The Collector from the episode of the same name
- Mrs. Durante from Back to School Blues
- Maloo from Be My Friend
- This is the only episode to have cameos of several characters in the second season.