The Penguins of Madagascar (2008)

S02E62 Operation: Antarctica

Private's compassion triumphs over his urge to escape when he comes across a stranded seal in need of assistance. Determined to help, he embarks on a journey to return the seal to its home in Antarctica. Meanwhile, the rest of the team joins him in the submarine, ready to ensure that their mission is a success and that the seal safely reaches its icy destination.