The riff: Yelled by Servo as Commando Cody hurtles in toward the camera from above in his rocket suit.
The explanation: It’s a reference to the closing credits of the classic 1960s-1970s animated series “The Jetsons,” which documented the lives of what was essentially a nuclear 1950s family, except, you know…in the future. During the ending credits sequence, George Jetson would come home from work and be tasked with walking the dog, Astro, on the revolving space-walk. When Astro sees a cat he begins to run, accelerating the walkway and sending George hurtling around in circles while he screams for his wife Jane to “stop this crazy thing!”
Novelty factor: Despite the fact that I grew up in the 1990s, I watched a ton of Jetsons and Flintstones reruns. I swear, these Hanna-Barbera cartoons were literally the only thing on Cartoon Network through most of the early 1990s.
Note: It happens around 1:30 in this video.