With hope of redeeming themselves after their disastrous first hauling job, the four eldest Brown brothers prepare for a second solo mission. Then, two very different visitors show up in Browntown.
The Raney's attempt to help the Zabec family in Virginia. With pigs destroying the homestead, predators killing livestock, and a huge oak threatening their cabin, the Raney's must convince them that their free-range dream is killing their homestead.
Featured magicians: Mark Bennick, Bill Cook, Michael Grandinetti, Adam Wylie, The Shocker, Tom Burgoon, and Chipper Lowell.
Auditions for the qualifier duet have added significance in the wake of Noah's diagnosis. Meanwhile, LaTroy plots to salvage Sloane and Amy's friendship; and Alfie opens up to Riley about his feelings for her.
Emotions run high during a fight exercise; someone's fidelity is questioned; Memphitz unleashes his anger on Toya; and Brittish attacks Lorenzo. Later, Tara and Dean begin to show their true colors.
Wayde & Brett make a tank for world famous artist DJ Redfoo of the band LMFAO. The guys attempt their very first DJ booth aquarium. Will this tank get the party started or will Wayde and Brett fail to make this Party Rock?
Ian Roussel attempts to complete the build of his Wld Show Car.
Buddy Valastro and his family's road trip continues as they reach the Louisiana Bayou. There, they tour swamps full of live alligators and make some extraordinary food stops, starting with fried shrimp and oyster po' boys at the Olde Tyme Grocery in Lafayette, La. Next, Buddy takes the cooking into his own hands and prepares boudin, a Louisiana-style spicy sausage filled with rice and vegetables. The search for eccentric local foods continues with a stop at Dark Roux for elevated southern classics, then to their last stop: Crawfish Town USA!
Megan befriends Chido and forms a band with her called "Character Select", but struggles to keep their friendship and band a secret.
Snotlout is sent on an undercover mission to Viggo's dragon auction as part of a plan to rescue the dragons and stop Viggo from getting richer.
When Viggo offers Hiccup a truce, the wary Dragon Riders investigate and find a potential ally in their fight against the Dragon Hunters.
Heather's brother Dagur shows up out of no where and asks Hiccup for help finding her. He wants to learn to ride dragons. Dagur sees Heather on the edge and goes the extra mile to protect her.
The dragon riders take a dragon egg from the dragon hunters and they try to train the baby dragon. Will they be able to do it?
Viggo is building an impenetrable fortress that even dragons can't break through, it's up to Hiccup and the gang to stop him.
When Hiccup and Toothless are kidnapped and Toothless is forced to fight other dragons for entertainment, the rest of the dragon riders must save them before it's too late.
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.