Asteroids are constantly threatening Earth, with thousands lurking too close to our planet for comfort. We travel to Arizona to meet the team who spend every night scanning the heavens for asteroids that could threaten earth, and reveal how scientists test an intense laser beam they hope could one day deflect an asteroid away from Earth. But is there more to these deadly space rocks than the next Armageddon? At NASA we see astronauts train in weightless conditions for the first manned mission to an asteroid, and discover how asteroids could become cosmic gas stations ...
Heat 6 of 8 features: Jason Mercier, Sam Grafton, Liv Boeree, Mike Mcdonald, Mike Tindall and online qualifier Muskan Sethi.
When Frank meets Frank, it's a match made in picking heaven; in Illinois, the guys discover a trove of unusual micro-cars.
Kim and some good looking movers help Brandi move into her new house whilst Kyle and her family fly in a private plane to Lake Tahoe.
Marnie and Vicky's reconciliation is short lived when Vicky discovers Marnie's been lying to her all along. A tash on tours night in Charlotte's home town of Sunderland ends in disaster when Aaron sees Marnie and Scott getting way too close for his liking.
Jake attempts to get to know Annie's father better. Annie helps Gil get ready for a special musical production at the annual Flemish Pride Parade.
Frank Skinner, Joan Bakewell and the judges move the competition to Wales, where 12 gifted artists get just four hours to paint celebrities Non Evans Ade Adepitan and Greg Davies.
Alberto and Ana arrive in New York, counting on their presentation's success, but when things get complicated, the gallery's future hangs by a thread.
Marc is at the helm of relaunching a massive homemade houseboat but the family's history with the boat, and Marc's stormy attitude, threaten to sink the job before it ever reaches water. Meanwhile, Jarrett meets his match when a bizarre load comes with an even crazier traveling companion.
After winning a black light putt-putt golf course, Jenn's game is tested when she realizes that for her run, "MINI-golf" is a misnomer. Todd and Tamera are literally in over their heads when rappelling skills are required at their modern art pickup.
Penelope follows her guidebook through Dorset, Somerset and Wiltshire.
Griff Rhys Jones visits one of the grandest Restoration houses in Britain to find out why they have taken on what was once known as 'the most expensive council house in Britain'. Griff will investigate how the Trust manages this while also carrying on the painstaking work of unearthing the hidden history of the house and its beautiful gardens.
A musically-talented teenager returns to her native Buenos Aires after living in Europe.
Dexter goes backstage and asks the girls what they would do as queen. The results for Throne Coming Queen are revealed and Raven is crowned Throne Coming Queen.
After Doofenshmirtz is defeated, a new threat in the 2nd Dimension emerges, leaving it up to Phineas, Ferb, Candace and her resistance fighters to defeat this new foe.
Laura's kind of emotional meltdown is stopped when she realizes that they could use LaFontaine's urge to join the party - a.k.a. the ritual - by letting her go and following her into the decisive battle. Gathering the troops, she hopes that Carmilla will fight on her side - with unpredictable outcome for all of them.
Daniel celebrates Christmas; the reveal of who shot Black Santa; the most extreme Nana Nana Boo Boo yet; a secret Tosh family holiday recipe.