The Pretend Pirate / Monster of the Deep

S1, E101: Golden Bay is having a fancy dress party and Cruiser goes as a pirate. However, when he becomes adrift at sea, nobody comes to his rescue because he’s mistaken for a real pirate! / Elias, Swifty, and Dippy decide to put Trawler’s supposed heroism to the test. They invent a story about a sea-monster and Trawler turns out to be not quite the hero he has described himself as.