Information about Huck's past is revealed; not realizing that someone could be watching, Fitz and Olivia have an emotionally charged conversation; Cyrus becomes increasingly suspicious of Jake.
The Doctor is recruited by Father Octavian to track the last of the Weeping Angels through the terrifying Maze of the Dead. As the Time Lord faces the Lonely Assassins, last seen in Blink, River Song is by his side. But can she be trusted?moreless
The Doctor has regenerated into a brand new man, but danger strikes before he can even recover. With the TARDIS wrecked, and the sonic screwdriver destroyed, the new Doctor has just 20 minutes to save the whole world - and only Amy Pond to help him.moreless
When a five-year-old girl is kidnapped from her birthday party, Don and Terry lead the investigation. They must, however, rely on Charlie's help because the girl's father Ethan is also a mathematician. Charlie realizes the kidnapper's motive when Ethan reveals he is close to solving Riemann's Hypothesis, a difficult math problem. If solved, the solution could not only earn him $1 million, but could break the code for Internet security and unlock the world's biggest financial secret.moreless