A professional cyclist is brought in after collapsing during a race, but House doesn't want to treat him because he thinks the athlete is taking performance-enhancing drugs, and will only treat the man when he admits to taking the drugs.
Lily gets a touch of the green eyes when Marshall goes on his first date after their split, and Marshall's date has her own ocular problem, `crazy eyes'.
Jessica is happy to learn of Evan's interest in joining the debate team; Eddie and Emery team up to enter a comic book contest.
When a navy seaman is involved in a murder, the team is called upon to work the case on their day off; Lucy finds out Whistler turned down a promotion in Washington to stay in Hawaii.
A new gang of vampires set their sights on the slayer, but Buffy is sidetracked by a rivalry with her teenage sister, Dawn.