Batman and Harley Quinn is the 2017 animated feature film based on the DC Comics characters of the same name.
The story finds Batman (Kevin Conroy) and Nightwing (Loren Lester) seeking the help of Harley Quinn (Melissa Rauch) to stop Poison Ivy's (Paget Brewster) plot. It appears Ivy and the Floronic Man (Kevin Michael Richardson) are looking to create their own Swamp Thing formula and unleash it on the world.
John DiMaggio is cast as the voice of Swamp Thing.
The film is directed by Sam Liu from a script by Bruce Timm and Jim Krieg.