Mao Mao: Heroes of Pure Heart

Mao Mao: Heroes of Pure Heart is an American animated television series created by Parker Simmons for Cartoon Network. It was co-produced between Cartoon Network Studios and Titmouse, Inc. The series follows the adventures of the titular character, Mao Mao, along with Badgerclops and Adorabat as they protect the citizens of Pure Heart Valley from the forces of evil while finding a way to fix the Ruby Pure Heart to its original state, after accidentally being broken by Mao Mao and Badgerclops.

The show is based on the independent teaser short I Love You Mao Mao, which Simmons had initially produced for the annual Titmouse Inc. "5-Second Day" event on February 21, 2014, and subsequently posted on Newgrounds and YouTube. Following positive feedback from the audience and interest from Chris Prynoski, a 7-minute pilot titled I Love You Mao Mao: BAO BAO's Revenge started its development for the following pitch from the Cartoon Network in 2017, for a full series. It was greenlit for the 95-week deadline for the Television release schedule. Making in time, where it was announced for a full series alongside Tig n' Seek on May 20, 2019.

The show debuted on July 1, 2019; later it was broadcast worldwide in 2019 and 2020. The first 30 episodes were released on HBO Max in September 1, 2020, with the final 10 episodes on January 1, 2021. It was received positively by critics, getting praise for its narrative, storytelling, action, and character dynamics. It received five nominations, one of which was won, for Outstanding Performer in an Animated Program by Parker Simmons for his voice acting performance. A second season was confirmed to be in production during the Comic-Con at Home event on July 23, 2020. In August 2022, the show was removed from HBO Max, as a result of the Warner Bros. Discovery merger, along with all references to the show from Cartoon Network's official websites, YouTube channels, and Twitter feeds. The show's creator, Parker Simmons, expressed uncertainty and doubt about the show's future after its removal, as he hadn't known whether the show had been officially cancelled or would receive a second season prior.