The Backyardigans (2004)

S02E01 Mission to Mars

The Backyardigans pick up an unusual signal coming from Mars, prompting Uniqua, Pablo, and Austin to launch into space for a closer look. Meanwhile, Tyrone and Tasha stay on Earth to support them from Mission Control. Fully equipped for adventure, the trio faces unexpected challenges during their journey. Undeterred, they press on and eventually uncover a shocking revelation about the origin of the mysterious signal.