Ena Hartman

While exploring an uncharted area of space, the Enterprise is outmatched and taken in tow by a massive spherical spaceship. Doomed by the imposing being Balok and his huge ship, Kirk finally resorts to a bluff about a self-destruct system that will also destroy Balok's ship -- and the gamble pays off with surprising results.

An old friend of Mark's is a suspect in a murder investigation, but Mark refuses to accept that the man may be bad. Ironside tries to convince him otherwise, but in the process risks breaking his own friendship with Mark.