Go Jetters (2015)

S3E18 Mariana Trench, the Pacific Ocean

Lars, with the guidance of his idol Ron Allum, sets out to explore the depths of the Mariana Trench aboard the Deep Sea Challenger. Meanwhile, Glitch aims to outpace him by deploying a Grimbot in his Grimsub, but the vessel falters under the immense underwater pressure. To save the situation, Xuli and Lars must join forces to orchestrate a daring rescue mission at the ocean's abyss.