Mighty Max S1 E12 - Out in the Cold

Original Airdate: November 28, 1993
Space aliens take over a science station in the Arctic and assume the identities of its researchers. The aliens can only survive in freezing cold temperatures and plan to make the earth their new home by altering the entire planet's climate by creating a new ice age. It is up to Max, Norman, and Virgil to stop them, but matters are complicated when they learn that the aliens can disguise themselves as ordinary humans.