When Thor is tricked into returning to Asgard, he and the Avengers discover they must defeat Loki and prevent Earth and Asgard from crashing into one another and foil Loki's plan to escape Valhalla and seek revenge on his brother.
Washington State's Fish and Wildlife Police bear dog unit forces a problem bear away from a family's home. An unstable woman roams the interstate, the officers nabs a fisherman with an endangered fish and catch tribal crabbers harvesting out of season.
A terrified widow asks Mike and the gang to catch the chainsaw killer who dismembered her therapist husband and is now coming for her. Horrified, Marquess suggests that they call the police but Mike's too busy trying out his merchandise.
Harry goes ahead with his plans for the estate, buying a field at auction - only to find there is an unexpected rival bidder. Henri continues to behave erratically.
Danger 5 go back to World War II in an attempt to stop Hitler from changing the fabric of time. Ignoring the perils of messing with the space-time continuum, Tucker is dead set on changing the course of history for his own selfish motives while Pierre suffers the consequences. Jackson and Ilsa have a run-in with their past selves and share advice on the future. Meanwhile Hitler is holding Colonel Chestbridge hostage in his mountain lair.
Fiona's plans to announce her marriage unravel. Mickey asks for Lip's help.
The boys attempt to improve emergency response times by creating their own ambulances. Daniel Ricciardo is a star in a reasonably priced car.
Greg Nicotero and a surprise cast member discuss the “What Happened and What's Going On” episode.
The midwives face one of their busiest nights to date, whilst Sister Winifred concentrates her efforts on the prostitutes of Poplar. Elsewhere, cracks start to appear in Trixie and Tom Hereward's relationship.
Liv, Maddie and their friends confront a fellow schoolmate who has been giving them numeric ratings based on looks.
Tina teams up with Darryl to win the Cupid's Couple contest at the school dance. Meanwhile, Linda plans a full week of ambitious Valentine's Day activities for her and Bob.
The gang has less than a week to teach first-time music students how to play in a band in anticipation of the A&A Music Factory's grand opening.
Second Base Orange, CA In a first-ever re-rescue, Jon Taffer returns to Second Base Bar & Grill to find a disengaged owner who has let the bar deteriorate. Will Jon save this bar once again?
John Oliver discusses the growing issues of pharmaceutical companies marketing directly to and through doctors. Also, since RadioShack has filed for bankruptcy, John has created a farewell message for them. Plus, the online sessions by Ecuadorian President Rafael Correa to address the public aren't going too well.
With the gang now powerless, Felix has devised his own plan to rescue Andy. He's going to ask Alice to swap him for Andy. Will the rest of the gang realise in time?
Liz Bonnin explores relationships in the animal kingdom and asks whether animals love. Here, she uncovers the weird and wonderful ways that different species attract a mate.
They are some of the toughest, most extreme survivalists from across the nation. In the second season of Ultimate Survival Alaska, four teams - woodsmen, mountaineers, military veterans, and endurance athletes go head-to-head in an epic arctic competition that only National Geographic could inspire.
They are some of the toughest, most extreme survivalists from across the nation. In the second season of Ultimate Survival Alaska, four teams - woodsmen, mountaineers, military veterans, and endurance athletes go head-to-head in an epic arctic competition that only National Geographic could inspire.