Don examines a boulder covered in strange carvings that could turn American history on its head, a sword belonging to an explorer accused of treason and the marble bust of a great leader who tried to untangle an ancient puzzle.
Rayna receives a stunning offer from Zach Welles. Juliette seeks advanced treatment. Will and Kevin look for an apartment together.
Instructor Care leads the participants through an exercise he calls "integrity stations"; after one candidate fails to complete the course, Care must determine whether or not to let this individual continue.
Michael learns how the Irish landscape inspired W.B. Yeats. In Dromod, he makes an Irish staple - a potato pancake, known as boxty. At the home of the father of Irish fiddling, Michael attempts to master a traditional Irish dance.
The Kratt Brothers and their team use their "Creature Power" suits to learn about and help various species of animals around the world.
Dr Sam Willis traces the history of the weapons that have shaped Britain.
Liz must prove herself to the leader of an elite group of female thieves in order to infiltrate their organization as they prepare for their next heist. Meanwhile, Red contends with unexpected problems in his operations, and Tom channels his energy into fatherly duties.
With the help of Chidi and Tahani, Michael faces his biggest challenge yet. Meanwhile, Eleanor, Jianyu and Janet are faced with a monumental decision.
When Colleen and Matt host the family tailgate party at the L.A. Rams game, they invite former NFL quarterback Kurt Warner to spice up their so far dismal event. Also, Tim's in danger of missing the game when Sophia makes him take her to the restroom.
As winter draws nearer, and fish stop biting, the participants turn to land game to survive the season. But their intended prey turns out to be more clever--and more deadly--than they could imagine.
Fred's new business may be more trouble than it's worth. Kate and Sam learn the perils of long distance love. Drew and Andy plan a funeral. Nina gives Lance a massage chair that changes everything.
The gloves come off when the lost Hemsworth, Girth (Liam McIntyre), wanders out of the outback and into the running for the titular character in Doctor Cop Lawyer.
Tracey's mum sets her some challenging tests before she can move back into the family home, meantime Tracey is busy replacing Connor and Candice.
Further examination of David Walker's history suggests that he was a troubled man with a number of issues. Marion has a prickly chat with Cassie about her past and the investigation reveals her close relationship with an IRA activist. As the police enquiries encroach on their lives, Sara and Colin open up to their partners.
Talaikha and Malik treat Georgia Ray, one of the worlds biggest pop stars and friend of Jamess, for laryngeal cancer, but when gold particles and microsurgery reveal more cancer than expected, they incur the singers wrath when her vocal chords and career are threatened.
A brutal murder shatters an idyllic Idaho town, but a suspect's bizarre confession seems to point to a quick resolution. All is not as it appears, however.