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.
1 If any remain following Joker's death, they play a recording of Harley crying. In addition, in Harley Quinn's Revenge, there are additional messages the player can listen to.  If defeated by Joker's thugs, Harley's message will occasionally play instead of Joker's, and will be the only ones to play after Joker's death.