Tensions within the Inner Circle are at an all-time high, as Andy comes to Rebecca's defense against Reeva. After making an important discovery about Dr. Risman's research, Lauren convinces Reed and Caitlin that they must take action to destroy it. Frustrated with not being taken seriously, Jace begins to strategize with the Purifiers. Meanwhile, the Mutant Underground continues to work on saving mutants. However, tensions flare between Blink and Thunderbird as they confront their differences.
As the Gang fights off the latest threat, Jesse's preoccupation with a cyber bully puts their biggest secret at risk. When menacing creatures attack again, the Gang fight back by sending them out of this world – but at what cost?
Logan is on vacation at Bare Feet Retreat but his phone is broken. In India, customer service representative Vali helps Logan although he's in the midst of a crisis of his own.
Further investigation suggests Gary's latest find may be the oldest discovery on the island to date, and Rick is faced with a tragic loss.
A master bagel maker builds a big following in Chicago, but even as he dreams of expanding beyond the Windy City his business is growing stale; if Marcus can't push him to rise to the occasion, this would-be mogul won't be going anywhere.
Adam states that the mattress industry was always a huge scam, that cheap school systems created sleep-deprived teenagers, and how "safe" sleep medications may actually be harmful.
The treasures of Ramses II are found at Abu Simbel, a giant temple carved into a desert cliff over 3,000 years ago, and new discoveries at this marvel reveal the secrets of ancient Egypt's greatest pharaoh.
After a key witness and a U.S. marshal are ambushed and killed, Maggie and OA must track down a man who leaked the information that led to their murders.
The crew gears up for a New Year's Eve celebration complete with costumes, champagne, cheers and tears. Rachel struggles to stand up for herself. Chelsi reunites with a crush. Capt. Jack learns of a close friend's passing back in London.
D'Branin investigates the source of the malfunctions. Rowan prepares Thale for first contact.
Visiting Coleman again, Alison demands to know who Dorothy is. Coleman tells Alison to stop digging and darkly suggests that, if she persists, she may jeopardise her sons' futures.
Mike and Peggy debate whether they should have another child; Pat overhears that he is going to have a little sister, leading the kids to dig deeper into the situation.
Megan Fox travels to one of the most mysterious archaeological sites in the world to investigate why our ancient ancestors built this enigmatic monument and if the stones themselves possess supernatural powers.
Grey informs Nolan and Bishop that they are going to have a movie director as a ride-along during their patrol after a fun afternoon granting the wish of a Make-a-Wish kid as an honorary police officer. Bradford is tested once again after he learns that his wife has been arrested for drug possession.
Dan questions Peter’s motives when he learns about the pricey Christmas gift that Jackie purchased for her new, unemployed beau. Meanwhile, Darlene receives dating advice from an unlikely source.
Country music performers Travis Tritt, Shania Twain and Jake Owen showcase upcoming musicians in Nashville.
The insanity and intensity continues in the second hour of the Finale with the most feuds and fights in the history of The Challenge. Our four finalists will find out who will be crowned the solo champion for the first time.