Ninjago - Season 3

Using their scuba-respirators, the ninja survive the palace flooding but are pursued by Ripper Sharks. Benthomaar comes to their aid and leads them to the hangar bay. As a battle breaks out, the ninja launch the Hydro Bounty. A chase through Merlopia ensues as Kalmaar and his forces try to shoot down the Bounty. The ninja narrowly escape, now with Benthomaar as their new ally.