After discovering the gun used in the drive-by was used in Ash's killing and the kneecapping of gambling addict Felix Murphy, the Commission launches an undercover operation to find out who shot Felix.
Meredith goes on an ambulance ride with Owen and Nathan to pick up a heart for a transplant patient. Musician & MS patient Kyle Diaz is admitted to Grey Sloan Memorial with a tremor in his hand, and the residents apply for the Preminger Grant. Meanwhile, Catherine continues to insert herself into Jackson and April’s business against Richard’s wishes.
Don Wildman examines an electric chair, a marble table and a yearbook.
Jaha employs a terrifying new method to convince Abby to join his cause, Kane is on a mission, and Bellamy is hit with a hard truth. Meanwhile, Monty finds himself in a precarious situation, and Jasper rushes to save one of his own.
DS Steve Arnott believes there is a dark secret in Danny Waldron's past.
A concert in Alaska, fishing on the "fly", eating with an Eskimo, and buying as much Carhartt gear as possible.
Never-before-seen footage includes the most embarrassing, revealing and hilarious scenes from season four.
Keith Lemon hosts the near-the-knuckle quiz, with former small-screen Superman Dean Cain, Saturday Night Takeaway's Ashley Roberts and actors Will Mellor and Sid Owen joining team captains Fearne Cotton and Holly Willoughby
Defeat for the Vikings calls Ragnar's leadership into question as they evacuate their camp and move back down river. Ragnar remains inscrutable until he orders the fleet to beach at a cliff face and unveils an ingenious plan. Rollo and Gisla have news that strengthens Rollo's position at the French Court.
Jeremy Wade is in search of the real creature behind the enduring legend of the sea serpent - starting with a violent attack in the English Channel, and culminating in the dark depths of the Mediterranean Sea.
The election is in full swing, which means everyone is doing their best to take down their opponents, but when a potential leak threatens several candidates, they have to work together to keep their secrets safe. Boundaries are pushed and lines are crossed as we find out just how far some people are willing to go to protect themselves.
Rip tells the team they are headed to the future to take out a powerful ally that Savage needs in order to conquer the world. However, when Rip reveals the ally is a 14 year-old boy who will one day grow into an evil dictator, the team is split about the morality of killing a child, even if it does save the world. Meanwhile, Sara talks Snart through a rough patch and Ray learns something that could impact his future with Kendra.
The target of a drive-by shooting in Tulsa, Okla., walks away from the attack, while his girlfriend is not so fortunate; police uncover a long-simmering feud as they hunt for the killer.
Sue readies her camp for the coming winter. Glenn makes his move from Fairbanks to Chandalar. Jessie revamps his entire dog lot. The Hailstones begin work on a mobile home.
When the restaurant closes for renovations, Christy takes a job as Jill's personal assistant. Also, Bonnie answers a wrong number and falls for the guy on the other end of the line, Adam.
The Great Skate Mistake - Leah's skateboard breaks while practicing for the big skateboard competition, so she asks Shimmer and Shine for a new board.
Anderson Vaughan Investigations takes on a case that hits close to home when Valerie’s estranged husband, Gordon, comes to them for help after his sister suffers horrible side effects in a Multiple Sclerosis clinical trial by a big pharmaceutical company. Meanwhile, Alice is following her biggest lead yet in tracking down Ben, as he’s in the midst of luring their next victim, Princess Zara Al-Salim, into a multimillion dollar fraudulent real estate investment.
Tensions and anger rise among the women in F-pod while one of the men face imminent danger in C-pod.