Magnum, P.I. was a smash-hit in the 1980s, but even a hit has a few duds by way of episodes...

Founded by Richard Hendricks, Pied Piper has seen many employees, investors, and even bosses come and go over the course of HBO's Silicon Valley.

Calling all Magnum PI fans! How many episodes of this amazing drama have you seen? These facts will test how well you know this classic show.