The Genius

Plot
When Matlock's nephew Irwin is charged with murder, Matlock investigates at a high-tech computer firm to clear his name.

Trivia

 * This episode marks the final appearance of Kari Lizer as Cassie Phillips.
 * This is the only episode to feature Ben Matlock's nephew, Dr. Irwin Bruckner (played by Bill Mumy). Irwin never appears in an episode again, nor is there any mention of Matlock's sister (presumably Irwin's mom).