When MAD plots to steal a T-rex egg to create a dinosaur army, Penny races to get the egg before Talon does. Gadget assesses the safety and security of the dinosaur ranch.

When Quimby goes missing, Gadget vows to find him, no matter how dangerous the mission. Meanwhile, Penny is given a string of trivial tasks by the replacement Chief.

When MAD threatens to take away everyone's voice, starting with the biggest voices of them all, Gadget, Penny and Brain head to the opera to stop them.

MAD develops a plant-mutating serum, but when Talon uses it on Penny's prize pepper plant, it comes back to bite him in a big way.

HQ has gone broke paying for Gadget's destructive tendencies. Now out of the job, Gadget tries to raise money for HQ, while Penny must face Talon without all her HQ tech.

When Talon sneaks into HQ disguised as a Sweetie Scout, Gadget gives the Scouts a thrilling tour of the building.