Spaced - Season 1 Episode 5

After an all day marathon of Star Wars movies, it's Tim's turn to take Colin out for a walk. While he isn't paying attention, the dog is stolen. Daisy thinks Tim got rid of Colin on purpose because she knows he doesn't like Colin. All suspicions are dropped after they receive an anonymous letter revealing where Colin is. So Tim, Daisy, Brian, Mike, and Twist all develop a covert plan to retrieve Colin.