Go Jetters

Mariana Trench, the Pacific Ocean (3x17)

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With the help of his hero Ron Allum, Lars plans to dive to the bottom of the Mariana Trench in a submersible called the Deep Sea Challenger. Glitch plans to beat him there by sending a Grimbot in his Grimsub, but it can't withstand the heavy pressure of the water. Lars and Xuli must work together to mount a rescue operation at the bottom of the sea.