Star Trek: The Next Generation

Season 4

Episode 25: In Theory

While Picard (Patrick Stewart) navigates the Enterprise through an unstable region of space, Data (Brent Spiner) tries to fathom the amorous advances of a crewmate (Michele Scarabelli). Guinan: Whoopi Goldberg. Ens. McKnight: Pamela Winslow. Riker: Jonathan Frakes.