Wendy Van Riesen

The group slides to a parallel dimension where an asteroid is on a collision course with Earth, and Einstein never allowed nuclear weapons to be created. With only 48 hours until "Dooms Day", and 72 hours until the next slide, they work feverishly to recreate Einstein's equation for the atomic bomb.

MacGyver is marked for death after stopping construction of a proposed marina and unknowingly falls in love with the hired killer sent to stop him.

Hanson comes to blows with a new partner, officer Dennis Booker, whom he suspects is as bigoted as the gang of racists they're trying to bust.

Hanson and Penhall go undercover at a high school to find a lonely student, guilty of killing a teacher's wife.

The Jordan ranch is besieged by a group of militant Indians. Guest starring Malcolm Stewart and Gordon Tootoosis.