The shallow part is 4 feet. This depth makes the flip turn easy and possible. The pool is deeper, 6 feet, than Jing's height 5 feet 9 inches. In this Worthington pool, when Jing makes turns, Jing knows that he will not hit the bottom of the pool. Therefore, he dares to make the turn.
Batman: The Animated Series. Episode: Joker's Favor. Dr. Harleen Francis Quinzel, also known as Harley Quinn, first appeared in the Batman: The Animated Series episode Jokers Favor (episode #022, original air date: September 11, 1992) where she served as a humorous female sidekick to the Joker.
Harley Quinn first appeared on Batman: The Animated Series in the episode, The Jokers Favor. She was created by Paul Dini and Bruce Timm and inspired by Arleen Sorkin and one of her characters Harlequin. Harleen Quinzel was a former psychiatrist at Arkham Asylum. Her patient was the Joker and he told her all his secrets, manipulating her into falling in love with the Clown Prince of Crime. Harleen Quinzel adopted the name Harley Quinn and broke the Joker out of the Asylum and became his assistant.