Shumway secretly orders one of the 100 to kill Bellamy. Meanwhile, hallucinogenic nuts provide Octavia with an opportunity to help the Grounder escape the camp, and Bellamy and Clarke investigate a nearby underground depot, where they find military weapons.
Truman, empowered with new authority from the President, launches a mustard gas attack designed to kill Miles and Monroe. To Rachel's disappointment, Miles agrees to join Monroe in a ruthless plot to beat the Patriots at their own game. As Neville faces his own challenge from the Patriots, Aaron grows increasingly alarmed by the power of the nanotech.
Rayna organizes a charity concert at Fort Campbell after finding out Luke has been injured in Afghanistan, forcing him to cut his tour short. Deacon and Maddie are brought closer together as they chart a new course for their future. Teddy is beginning to feel like his family is slipping further and further away from him. Juliette is racked with guilt knowing that her back is against the wall after Jeff threatens to go to Avery with the truth. Gunnar is feeling pressure to reveal a secret about Juliette to Avery until Zoey urges him that his professional and private life should be kept separate. And Will and Layla begin shooting their new reality series.
Chef Robert Irvine celebrates the show's 100th episode by offering a glimpse at what goes on behind the scenes. Included: interviews with the people who make the makeovers possible; and a look back at the dirtiest kitchens.
Bruce Compton hopes to buy a rare German Hetzer tank from Russian oligarch Slava, who will need some persuading.
When an unknown entity prevents The Machine from seeing the full picture of an impending catastrophic event, it sends the team five separate numbers to help them piece together the bigger picture. Meanwhile, Root’s team of hackers arrives in New York.
When Gus tries to right a wrong, Malvo embraces his alter ego. Lester finds himself in a surprising situation, and Molly uncovers a promising lead.
Scheduling problems arise as Will tries to plan a birthday party for Marcus. Meanwhile, Fiona and Sam get into a disagreement.
With everyone’s support, Dawson makes final preparations to retake the fireman’s exam, but a call to the field may throw a major wrench into her plans. Elsewhere, Lt. Casey has an important matter to discuss with Antonio. Meanwhile, Lt. Severide and the firehouse welcome Rick Newhouse , the latest addition to the squad, Shay gets an uninvited surprise guest and Chief Boden makes a bold move.
As Santanico tries to turn Richie to her cause, Freddie confronts Carlos about his destiny and the temple's mysterious past. Seth, the Fullers, and Sex Machine battle their way deeper into the temple, where they meet an unexpected ally.
Catherine's search for Tommy gains momentum when she receives a tip-off regarding his whereabouts. Helen absorbs the shock of hearing that Ann has been abducted.
When a news reporter announces the group responsible for the deadly explosion at a military-sponsored charity event, the team must investigate her claims and search for the attacker.
Jess and Nick invite the gang along with them on a cruise they booked while still together as a couple.
When Beverly learns that Barry lied about joining the wrestling team, she takes matters into her own hands; Erica flakes on a promise to take Adam to the premiere of "Return of the Jedi.
Daniel throws shoes at women; Daniel's intimate conversations get leaked to the press; the cheapest man in America gets a Web redemption.
Stunning CGI animation explodes open one of the world's toughest piste bashers–the Pisten Bully 600W Polar–to reveal the extraordinary technology that it depends on to shift thousands of ton of snow across perilous mountain terrain. At the wheel of the Ice Crawler, driver Steve Dewar is on a high stakes mission at Whistler-Blackcomb ski resort, British Columbia. Together, Steve and his 500-horsepower Ice Crawler have just five days to clear 8000 acres of ski runs of hazardous ice, rocks and avalanche-prone snow drifts in time for the resort's big opening weekend in January. Exploring its engineering breakthroughs will reveal surprising secrets behind how the technology evolved.
When Mindy reads a description of an encounter a man had with her in New York, she thinks she has found her dream guy - which leads to a surprising reveal.