Star Trek: Deep Space Nine: Season 3, Episode 9 - ProjectFreeTV

3 - 9: Defiant

When William Riker from the Enterprise unexpectedly arrives on DS9 on vacation, he takes a liking to Kira, who has also been ordered to take some time off. However, when Kira gives Will a tour of the Defiant, it becomes clear that there's more to Will's vacation than meets the eye.