In the 1st Qualifying Round from Venice Beach, California, competitors must tackle 6 obstacles, including three brand new ones: the Mini Silk Slider, Spin Cycle, and Hourglass Drop. Contestants include "Ninja" veterans Kevin Bull and David Campbell. First timers include former Baltimore Raven Brendon Ayanbadejo and Seattle Seahawk Jon Ryan. Matt Iseman and Akbar Gbajabiamila return as hosts, and Kristine Leahy co-hosts.

This week, the contestants have to literally fight for Kaitlyn Bristowe's affection in a boxing tournament after some tutelage from boxing champ Laila Ali.

Caleb sails into New York Harbor; France makes an alliance with the American Patriots; Andre and Peggy plan to elope.

"American Dad" is sold to a Chinese businessman, Fung Wah.

Meanwhile, Stan has Francine committed to an insane asylum when he forgets their anniversary & Steve and Hayley helps Roger get rid of a few things when his closet becomes overcrowded.

After the brutal defeat at the Alamo, the fearless Texas Rangers, under General Sam Houston's command, fight for revenge against Santa Anna's troops.

Chief confirms another driver for the nationwide call out. Farmtruck and AZN play around with the Mad Scientist's new toy: a Tri-Powered Trike. On race night, Shawn tries to get the Murder Nova back to the top of the list. The 405 loses one of their own.

Play ball with the Pawn Stars when a 1923 Babe Ruth baseball card, graded a perfect 10, steps up to the plate. Will Rick be able to knock it out of the park on this rare card or will he get called out? Then, Rick is brought back to the 1930s when an unrestored children's tricycle pedals into the shop. Will he toy with the idea of fixing it up it or will the cost cause him to hit the brakes? And later, after Corey totals his truck, he is forced to drive the company car with Rick's face on it. Will Corey end up understanding the truck's true face value or will he force Rick to face facts?

Rulive this season's hits (and misses) with Queens of past 'Drag Race' seasons and RuPaul her self! Plus, don't miss the world permiere of the 'Born Naked' music video.

Twist and shout with the Pawn Stars when a 1963 Beatles signed guitar strums into the shop. Will Rick "let it be" or yell for "help"? Take a ride with Corey as he gets revved up when he checks out a 1981 Suzuki motorcycle. Will he kick start a sale or will the negotiation skid out of control? Then, Rick tries to teach the guys some office etiquette.

Dr. Neil deGrasse Tyson and President Jimmy Carter examine the topic of Pulling the Plug on Pestilence. The duo discuss the importance of and progress toward ending fatal epidemic diseases. Mark Siddall, curator of the division of invertebrate zoology at the American Museum of Natural History, and comedian Chuck Nice share their views on this matter.

With guest mentor Shannon Bennett leading today's challenge, has our amateur MasterChef cook got what it takes to out-perform one of the best?

When Ferguson's pet goldfish dies, she identifies her lack of emotion at the death as a potential weakness, rather than strength. But in seeking a renewed connection with Doreen, Ferguson unwittingly makes herself vulnerable when she calls Doreen - Jianna. Bea sees this as a possible chink in her armour and tasks Doreen with uncovering the truth behind the name.

Joan finds herself in the middle of a violent custody battle over Gail's baby. Patricia faces a crisis when she travels to Melbourne to marry her Prince Charming. Martha is obsessed with seeing Queen Elizabeth during the 1970 royal tour.

While freeing classmates Spider-Man is captured by Arnim Zola and absorbed into his body. The freed friends must fight Zola to help Spider-Man escape the madman.

The second set of semi finalists attempt to impress the judges and viewers at home. After each act has performed the judges give their verdict on what they have seen. Those who manage to impress include Jules & Matisse and Revelation Avenue.

Ant and Dec are back with the results from tonight's public vote. Jack Pack performs live on stage. Ant and Dec reveal that Revelation Avenue, Jules & Matisse and Old Men Grooving are in the top three. They then reveal that Jules & Matisse have topped the public vote. The judges are then split in their decision for the second place and it goes back to the public vote. Ant and Dec then reveal that Old Men Grooving have got the most amount of votes and have gained the second available place in the final.

The ghosts of Oliver's past threaten to derail his future. With his emotions in turmoil, is he fit to perform life-saving surgery? Raf finally unravels the mystery behind Lucy's injuries. Will he be able to protect her now that he knows the terrible truth? Essie freaks out when Sacha wants to take things to the next level. Is it too soon for such a big commitment?

DI Vivienne Deering and the long-suffering Friday Street team discovers a scam encouraging people in debt to sell their kidneys on the black market. Meanwhile, the search for another girl kidnapped by the serial killer leads to an important breakthrough in the case. However, it remains to be seen whether it will be enough for Dinah and the team to bring things to a close.