The kids and the ponies are picking cherries to make into cherry jubilee, and Megan is using the Rainbow of Light to clear the sky of rainclouds. Danny grabs the locket and starts messing around with the Rainbow, until Megan scolds him for using powerful magic irresponsibly. A contrite Danny flies off on Surprise, while two monkey-like creatures, the gizmonks Gonk and Glouda, watch from afar on a surveillance machine and decide that they want to get their hands on the Rainbow of Light.
Thinking that Danny and Surprise have the locket, they kidnap them to obtain it. On finding out that they don't, they send their drudge, Drudge, to deliver a message — if the kids and ponies want to see Danny and Surprise again, they'll have to hand over the Rainbow of Light. Megan replies that she'll need a while to think it over to buy some time. At the gizmonks' base, Danny and Surprise have however hatched their own plan to get free. They flatter and admire the gizmonks' tech to charm them into letting them out of their cage and, once they're free, start messing with their machines, flipping switches, releasing test subjects and generally making a mess of things.
Drudge eagerly joins in when she realizes what's going on, and the three of them soon turn the lab into a smoke-filled, hazardous disaster. By the time the rest get to the gizmonk base, they find Gonk and Glouda already running for the hills and their erstwhile captives cheerfully free. Drudge promises to rebuild the base to produce actually useful things instead of the gizmonks' pointless contraptions, and the others promise to help out should the gizmonks show their faces there again.
This episode contains examples of:
- Mad Scientist: They're obsessed with invention and experimentation for their own sake, gleefully creating complex machines for no real reason or gain, and sometimes without even knowing what they do.
- Mad Scientist Laboratory: Their base is essentially a giant laboratory filled with complicated machines in various states of completion, caged test subjects, and assorted trappings of mad science.
- Maniac Monkeys: A pair of monkeys whose obsession with invention and technical gadgets leads them to covet the Rainbow of Light and to kidnap innocents to hold as hostage for it.
- Mistreatment-Induced Betrayal: The gizmonks are demanding and abusive bosses to Drudge, and she jumps ship against them the moment she's given the chance.
- Pity the Kidnapper: After the Gizmonks try to hold Danny and Surprise hostage, the two end up causing them so much trouble and mischief that by the time Megan and the other ponies get to them the two monkeys are begging them to take the two back.Gonk: Take them home!
Glouda: Take them home! - Pun-Based Creature: The villains are a pair of Mad Scientist monkeys obsessed with technology, inventions, and assorted gizmos, which are called the gizmonks.
- Put on a Bus: After this episode, the Rainbow of Light is never used again.
