ORIGINAL AIRDATE: April 10th, 1989 ---
A local prison break may have infiltrated MacGyver's new Phoenix-sponsored stress relief nature retreat.
MISSION: MacGyver is alone in the woods with four strangers who all claim to work for Phoenix, but when details of a local prison break reach the group, everyone's identity is thrown into question.
This week's highlights include:

Here is the MacGyver Project conversation with Stephen Downing about his daughter Julie's work in this episode.

Holly (Botany)

Ilex /ˈaɪlɛks/, or holly, is a genus of 400 to 600 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family. The species are evergreen or deciduous trees, shrubs, and climbers from tropics to temperate zones worldwide. The fruits are generally slightly toxic to humans, and can cause vomiting and diarrhea when ingested.

Check out the article on wikipedia: https://en.wikipedia.org/wiki/Holly.

Watch S4E15: "The Invisible Killer" on CBS's website or check the alternative streamability of this episode here.