When Zeppla and Sparkle return to Huttsgalor as "The Inflato-Force-2," the Rescue Riders offer to help them fill out the rest of their team; Zeppla's mom shows up and insists on trying out.
The Rescue Riders return to the Sunken City of Valantis in a race to stop Magnus Finke from finding the legendary Alpha Crystals that have the power to control dragons.
After Cutter saves the life of a Chaperang dragon, he finds himself a personal bodyguard who won't leave his side; at first, Cutter loves getting to boss him around, but soon the serious-minded Chaperang starts to ruin all his fun.
When a young, bullied Shocktail dragon meets the Rescue Riders, he decides he wants to live on land with them -- even though Shocktails are aquatic dragons that can't breathe out of the water.
As the Riders get ready to celebrate "Nest Day," a tradition from their days in the wild, a mysterious dragon appears and takes their nests, but it won't talk to the Riders or tell them why.
When metal-eating baby Razortooth Metalmaw dragons follow Magnus back to his workshop, he must ask the Rescue Riders for help before the babies eat him out of house and home, literally.
On a wild day in Huttsgalor, one of Magnus' new Mechanos runs amok, Slinkwing Lurke attacks the town and Elbone goes missing while on a new business venture.
When Burple finds an old flyer for "The Amazing Arno's Carnival of Dragons" in one of his stomachs, Dak and Leyla tell Duggard the story of Burple and Cutter's carnival days and how they broke out to join the Rescue Riders.
While Leyla, Summer and Cutter are off helping Elbone with his latest business venture, Dak, Winger, Aggro and Burple find themselves dueling for control of the Roost with a mischievous Copyclaw dragon.
When Dak and Leyla cross paths with a dragon whose blast wipes out memories, it's up to Winger, Summer, Burple, Cutter and Aggro to find a way to bring their memories back before they forget they're Rescue Riders forever.