A suspected toxic leak grounds a 737 at Anchorage International, engine trouble endangers the mid-air refueling of the USAF's most advanced fighter jet in Alaska, and a discovery at airport customs busts a potential smuggling.

A family-run airline flies emergency supplies to a remote village hit by water pollution. Alaska's biggest cargo airline loads high explosives on a busy runway, and Anchorage's elite pilots come to the rescue of a holiday party.