Blackout: When a city is plunged into darkness, Billy calls out the Night Force. Billy, Jake, Aiden and Sam descend into a subway system to rescue trapped passengers, while Aiden, Willy and Sergeant help land a crippled plane on a city street. Fire Down Under: A series of wildfires rage out of control in New South Wales, Australia, forcing people to evacuate their homes and threatening to destroy wildlife and their habitats. A Veterinarian works feverishly to save her wildlife refuge.