Though Penny is only around 10-12 years old, she was able to push a stone that weighed well over 200 lbs.
The setting for this episode is the Amazon Basin which is in South America. However, the ruins that Dr. Claw has his headquarters in is an Aztec pyramid. The Aztec Empire was only in North America (Mexico).
Brain's disguise: monkey (though misidentified as a gorilla)
This episode features a white gorilla that is chasing Inspector Gadget through the Amazon jungle. In fact, there are no gorillas in the Amazon.
Safety Tip: airplane safety. Inspector Gadget gives some tips on airplane safety, like what to do when you don't feel well. Read the brochures the flight attendants give you, in case you need to know what to do. And make sure your animals are in a designated area so they will be safe.
Top Secret Mission
"MAD plans to force the professor to produce an army of intelligent robots to take over the world. Claw has taken him to the Amazon basin. Your mission is to find and rescue the professor."
Chief Quimby: Gadget remember, if he builds an army of indestructible robots, the entire world is in danger.
Gadget: Don't worry chief, just leave the world in my hands. (misses the edge of the door and falls out of the plane)