| Description! ||Howard celebrates the launch of his latest invention, a zero-gravity human-waste disposal system (a "space toilet"), to be used in the International Space Station, by buying all of his friends new comic books only for Howard to discover that he made a mistake that will cause the toilet to fail after a few flushes, and the guys convene to try and fix it. In the end, the astronauts of the ISS go on an unscheduled "spacewalk", suggesting that Howard failed.
While at the comic book store, Stuart (Kevin Sussman) tells Leonard that he is having a second date with Penny and asks for advice. Leonard deliberately avoids Stuart’s request, and ultimately gives him bad advice. The next day, Leonard feels guilty and goes to apologize to Stuart. Stuart reveals the date went fine, until he and Penny started kissing and Penny accidentally called him "Leonard."|