Pole-To-Pole, Parts 1 & 2

The Reeftown Rangers discover that, unlike them, Melody the fin whale migrates twice a year to follow the krill. Inspired by Melody, Splash and the others attempt to experience migration for themselves, beginning in the Antarctic, where they meet Mac, a mackerel icefish. / The Reeftown Rangers, continuing their migration adventure in the Antarctic, meet Pebbles, a gentoo penguin, and learn that she will receive a gift of a pebble from a male penguin who wants her to be his partner for life.