Oliver and Kaz attempt to visit the Annihilator's lair to take his collection of superpowers and restore them to the superheroes.
Tara and Seb try to solve the mystery of the tapestry that predicts the future.
Actor Larry Lamb explores the 3,000-year-old story of the rise of the Roman Empire and how it shaped the way we live today, uncovering the intrigue, conflict, greed and violence that surrounded not only Rome, but Pompeii, Sicily, France and Tunisia as the Romans set out to conquer the world. With the help of historians and CGI representations, Larry begins his journey by focusing on the Italian capital of Rome. He takes a look at the role of legendary characters including the city's mythical Iron Age founders Romulus and Remus, and learns how thousands of labourers turned mud huts into a city of stone.
Britain's favourite opinionated TV viewers on: You Can't Get the Staff, Secrets of the Living Dolls, Jurassic Park, The X Factor and the News, including Oscar Pistorius's prison sentence.
Grohl continues his musical exploration in the Washington DC area where influential artists and producers describe DC's Go-Go, Funk, and Punk scenes.
Activist Victor Ramos shamelessly plugs some community program he's heading; Steven Yeun shares his preparations for the inevitable zombie apocalypse; plus, there is compiled footage of Reggie's entire life.
Felix helps calm tensions between Daniela and Cristela. Meanwhile, Alberto tries to get closer to Cristela.
The senators head to a Republican retreat at a Virginia plantation, where they're haunted by the ghosts of slavery, Ronald Reagan and their exes. After a soul-cleansing bonfire with the housemates, Gil John awakes with a new fire in his belly.
After a break-in at the Alpha House, the NSA does a sweep, and gets suspicious -- which lands Robert a new covert mission. Meanwhile, Gil John goes to bat for the women's caucus bill, earning him a whole new following. And Louis's aides inspire him to publicly "evolve" on gay marriage, much to their chagrin.
Cee Biggs brings her reality show cameras to her father's office - just in time for gunshots that trigger a lockdown on Capitol Hill. Rosalyn forces Robert to face the truth about his marriage, and Louis is forced to let go of a fantasy.
As a double U-turn looms in the exotic city of Marrakech, Morocco, contestants suspect each other of playing dirty.
A woman's abusive boyfriend targets Jamie after he intercedes in a domestic dispute. The press gets hold of an illegal tape capturing Henry's insensitive comments, and Frank must deal with the ensuing scandal.
Together on Graham's sofa: Sherlock star Benedict Cumberbatch, starring as Alan Turing in The Imitation Game; Timothy Spall, in new film Mr Turner; comedy favourite Miranda Hart; and musical guests Maroon 5, who perform Animals.
When Ester invites Ben (who brings along Rook to the former's dismay) to a museum exhibit displaying alien artifacts, they encounter Ben's former crush Kai. When Ester discovers their relationship she immediately becomes jealous of her. The four of them are forced to team up, however, when a priceless exhibit that Kai put on display is stolen. Chrono Spanner also reappears again, this time trying to convince Ben that he's "destined" to marry Kai, to Ester's chagrin.
ATM tackles one of their largest builds to date as they create two connecting tanks that total nearly 250,000 gallons of water for an aquarium attraction in Florida where visitors can dive with sharks.
On the fourth anniversary of his father's death, McGarrett meets a woman who helps him reopen the last unsolved case his dad worked on before he died.
How do they build a port ready to receive huge container ships? How do they make 28 million plastic bags a day? How do they blow the glass to make...
Chase gets a girl interested in him, but Adam gets jealous and tries to ruin their date by having Chase turn back into Spike. Meanwhile, Leo and Bree suspect that Principal Perry has murdered a cook from the cafeteria and Donald. They then find out it was about a hamburger truck and they misunderstood everything.