MacGyver

Season 1, Episode 6

Episode Title: Trumbo's World

Air Date: 1985-11-10

Overview:

MacGyver comes along on a expedition to Brazil with his friend, entomologist Dr. Alden. They meet with a landowner and recluse, Trumbo, who is initially hostile. However, when they realize that a mile-wide column of army ants is moving through the jungle, they team together to mount a defense.