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Season 3 · Episode 18
0.011mSeptember 18, 2019
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. Xuli and Lars must work together to mount a rescue operation at the bottom of the sea.