McGarrett investigates a cold case from the 1940s, one that his grandfather and the famous Honolulu detective Chang Apana worked on, and he tries to deduce how the case could…

The gang plans a trip to Paris to celebrate after NBC picks up Jerry and George’s sitcom. But there’s an in-flight emergency, stranding them in a small town.

Witnesses testify to the gang’s (lack of) character as they go on trial for violating a “Good Samaritan Law.”

Susan has her hands full with a pregnant Chloe. Benton goes to dinner with Jeanie. Greene further alienates Swift when he decides to honor a family commitment rather than stay…

A gym member teams with George in business and makes a date with Elaine to see Mel Torme; Jerry suspects his dentist of hanky-panky.

While driving a postal truck, Kramer and Newman spot Jerry’s stolen car, containing Elaine’s JFK golf clubs.

Jerry has an argument with his mechanic; Newman becomes obsessed with Michigan’s recycling program; Elaine goes to an auction for her boss.

George crafts a place to nap at work; a new beau gives Elaine a mattress, which Kramer promptly soils; Jerry’s kitchen is redesigned against his will.

The Mets express interest in George; an inattentive saleswoman irks Elaine; Kramer prepares for his millennium party; Jerry jockeys for position on his girlfriend’s speed dial.

Kramer becomes the spokesman for a woman George wants to avoid; Jerry’s bookie welches; a co-worker mistakes Elaine for someone else, who’s reported as a problem worker.

Kramer sues Elaine’s friend for sinking his golf career; George’s apparent work ethic impresses his bosses.

An employee’s military bent scares Elaine; Kramer cooks for a Jewish singles night; Jerry finds fault with his girlfriend’s mentor.

Jerry’s popularity in Japan brings new friends to Kramer, and maybe new life to Jerry’s TV pilot; Elaine’s new beau won’t share “his song” with her.

George’s involuntary winking is misinterpreted by many, and prompts Kramer to seek a favor from Yankee Paul O’Neill; Jerry tries to hide his distaste for meat from Elaine’s cousin.

An Olympic athlete stays at Elaine’s; George picks up colloquialisms from Houston Astros execs; Kramer installs a hot tub at his pad.

Susan has her hands full with a pregnant Chloe. Benton goes to dinner with Jeanie. Greene further alienates Swift when he decides to honor a family commitment rather than stay…

In a hospital, Melinda encounters a woman who wants to determine what caused her death during a surgery.

Stardate: 46578.4. While visiting Deep Space Nine, Worf learns that his father is still alive and being held captive in a secret Romulan prison camp.

Stardate: 46759.2. Worf is captured by the Romulans where he learns why the other captives did not attempt an escape years before.