Marshall is awarded a golden belt for his special dedication and bravery in the recovery of the scroll.
"Pup-Fu" is a parody of kung fu.
The catchphrase "quiet as a mouse" is said 10 times within the episode (9 times by Marshall, once by Farmer Yumi).
Mayor Humdinger's line "Drat you Ryder and your meddling pups!" is similar to the classic line from Scooby-Doo.
The Hen-kido headbands worn by Mayor Goodway and Chickaletta are blurred in KBS Kids broadcasts and are fully whitened in Nickelodeon (South Korea) broadcasts due to its resemblance to the flag of the Japanese army.
The martial arts they practiced is based on real martial arts for the pups (Kung-Fu), the Kitten Catastrophe Crew (Jiu-Jitsu) and Chickaletta (Aikido).