Go Jetters

Go Jetters is a British 3D animated television series, airing on Nick Jr. Channel 5 and CBeebies.
This geography based programme was commissioned by CBeebies controller Kay Benbow and is a co-production of CBeebies In-house Production and BBC Worldwide.
Aimed at the upper-end of preschool ages 4–6, Go Jetters follows the adventures of four heroes, Xuli, Kyan, Lars and Foz, as they travel the world with their teacher, mentor and friend, Ubercorn. The programme uses songs and music to expose facts about various countries and environments.
The programme started out as a feature on the channel's website, but was so popular it got spun off into the more successful series.
Characters.
Go Jetters.
Each Go Jetter has a star logo on their basic suit, and a particular speciality and a sentence they'll often repeat over the episodes.