S1·E12 Out in the Cold
Aired December 1, 1993
Synopsis
Space aliens take over a science station in the arctic and assume the identities of the researchers in order to carry out their devious plan. The aliens can only survive in freezing cold temperatures and they want to make the earth their new home by altering the entire planet's climate by creating another ice age. It is up to Max, Norman, and Virgil to stop them.