When things don't go well while Fishlegs is in charge, he gets another chance to prove he has what it takes to be a leader.
While trying to take care of unfinished business, Hiccup and Toothless are lured into a trap. An unlikely rescuer comes to their aid.
After learning that Fishlegs has been secretly communicating with Heather, the gang invites her to the Edge to convince her to join the Dragon Riders.
After Astrid makes an alarming discovery, her life comes to depend on a dragon everyone thought was extinct. Her pals race against time to find it.
When the Dragon Riders fly to an island on a vacation, a small creature there has a special effect on the dragons.
When a mysterious dragon attacks Spitelouts storehouse, Spitelout and Stoick have different ideas on what to do next.
A wounded Fireworm seeks the Dragon Riders' help in protecting a precious treasure trove from an unfamiliar creature with strange and slimy powers.
Finn hears a mysterious song while judging a Battle of the Bands.
Harvey imagines himself and his friends in a magical steampunk world, but things come crashing down when Harvey is blamed for breaking a floating city
Sixty-five miles above the Arctic Circle, in a sparse Brooks Range, Glenn Villeneuve has given up nearly all modern conveniences to carve out a life of freedom in the wild.
When the Mexican drug cartel comes after Teresa Mendoza with a vengeance, she is forced to run and do whatever it takes to survive. Now, her fate is sealed in the dangerous narco world forever.
On the day of Martin Luther King, Jr.'s assassination, Hodiak must investigate a murder in a black neighborhood while trying to prevent an imminent riot. In the midst of the crisis in the black community, Kristin's involvement with the Black Panthers drives a wedge between her and Shafe's marriage. Meanwhile, Charmain brings the drug case to a close and discovers the full cost of undercover work.
When the remains of famous billionaire explorer Henry Charles are found in Antarctica, the high profile case is brought to Brennan and Booth to determine if his death was a murder. The Jeffersonian team confirms he was killed when he went missing ten years ago on an expedition, but the timeframe puts the Jeffersonian's Dr. Clark Edison, who was with Charles for the expedition, on the short list of suspects. Meanwhile, Cam's sister comes into town to help with wedding plans and old family friction comes into the picture.
A 14-year-old witness to a shooting must be protected. Shade tries to figure out who Angie spent the night with while trying to keep a promise to his daughter.
With two assassins on their trail and a war between big pharma companies raging, Rash and Stefan are forced to join together to find the truth.
Cleaver defends David and Barney sees it as a betrayal; Fuzz gets Missy drugs and then she seduces him. Wendy has a date with an old flame; and a free David announces he's standing for the Senate.
While judging the hugest Battle of the Bands in the history of Ooo, Finn hears a mysterious new song.
When a young mother is found naked and strangled in her car, Tulsa Detective John Brown uncovers a dark obsession that may have turned deadly.