A Special, Weird Kind of Losing (S4E19)

When Lieutenant Barclay gets struck by lightning by an alien probe, he starts solving problems all over the ship. But when he starts sticking things into the computer that don't belong there, it's up to the crew of the Entrepreneur to unplug him. What is a bursar? How do you build a plane in mid-air? Isn't it always best to be friends with your ex? It's the episode that won't get you invited back to game night.