Pancake's Syncing Feeling

S1, E2: "Two left flippers" Pancake worries he'll spoil the synchronised swim team's chances in the swim contest, so he turns to coach Millie the Squid for help. At first he's annoyed by her off-beat training methods, which even involve cleaning her cave, but they pay off unexpectedly in the final, to his fellow Piris' surprise.