Harvey and friends go to the North and South Pole to find out who is melting the ice, and it turns out alien Mammoths are the cause of this.

SYNOPSIS:

When Master Mountie split Harvey and friends into 2 teams to investigate the meltings of the Ice Caps, they found out that alien Mammoths are the cause of this and it's up to Harvey and friends to defeat them with the help from their new team members Nina and a baby penguin that fires lasers.

MOUNTIES ON DUTY SEASON 1 EPISODE 21 THE MAMMOTHS FROM SPACE