Ken's old professor makes an appointment and torments Ken during his visit.
The Titans are determined to find out what happened to the missing 2'oclock hour during Daylight Saving Time.
When Mac and the team travel to Hawaii to aid in earthquake relief efforts, they team up with Chin and Kono from the Five-0 task force to rescue a group of government scientists trapped in a building. However, as they work on the complicated rescue, a group using the chaos as a distraction aims to steal the top-secret weaponry from the scientists.
The tables are turned on Cassandra when Owen traps her in a dangerous game of cat-and-mouse, revealing that he's not the only one who needs to learn a thing or two. Claire spends a relaxing night out.
Ordinary people rely on their own skills to survive in six different South American landscapes, including the tundra, mountains and rain forest.
Longing to experience her first kiss, Eva seeks Jude's advice. Rachel adjusts to her new BFF. Luke asks Theo to distract him from thoughts of Leia.
Adam Hills, Alex Brooker and Josh Widdicombe are joined by guests comedian Harry Hill and physicist Professor Brian Cox to pick over the week's biggest stories.
When Sheriff Cannonball takes off with the Rabble Rouser, Buddy takes over his job.
Buddy becomes a repo man so he can get his stuff back from Big Tex.
Buddy and Darnell open a kung fu dojo despite not knowing any kung fu.
The creepy guy following Buddy reveals his identity, then teams up with Tex Jr.
Buddy and Darnell get stranded in the woods and have to fend off an unknown presence.
An evil impostor Buddy causes problems all over town, landing the real Buddy in trouble.
After Mike encourages Vanessa to branch out her tutoring business, she takes his advice but gets frustrated when he gets a little too involved. Meanwhile, Kyle is determined to be like the other Baxter's and become a high-powered entrepreneur.
Jamie and Eddie suspect foul play when they respond to a distress call from a woman having an allergic reaction to her lifesaving medication, and learn that her husband is an EMT assigned to take her call, but didn't respond. Erin learns that a man she convicted years earlier might be innocent of the crime. Frank handles a PR crisis in his department when an exposé on Garrett Moore is published.
On a day of spontaneous adventures, Mickey and Gus open up about their pasts and begin to let go of their fears.
McGarrett and Kono suspect that an abused young girl may be the victim of a sex trafficking ring on the Island. Also, Chin and Grover investigate a murder at a sober living facility.
With the fate of Mystic Falls at stake, Stefan and Damon must fight their greatest enemy for one last battle.
After a series of brutal and deadly attacks, Nick and Hank find an unlikely lead in a local nursing home. Meanwhile, Eve goes to Adalind to get answers that only a Hexenbiest can provide. Elsewhere, Capt. Renard confronts Nick about the mysterious symbols and tries to strike a deal.