Hong Kong Knights is the Father's Day episode of American Dragon: Jake Long.
Plot[]
During Father's Day, Jake found out he had to write a 15-page essay about his role model in real life after being sent to Decerto's office. Trixie & Spud suggested Jake write about Grandpa, and Fu Dog later told Jake that Grandpa was a swinging super agent in Hong Kong in 1972. He also shares how Grandpa met him and Councilor Chang, and how he completely changed after defeating the Dark Dragon. Jake soon realized that after the stories of Chang, Grandpa had been captured so that he and his "army" had to fight the Dark Dragon again, and the Dark Dragon was killed to swear revenge for life.