He returned to write animated version of Batman in Batman: The Brave and the Bold episode "Legends of the Dark Mite". In the very same episode, he appeared in an animated form in comic book convention parody scene, where he was wearing Harley Quinn's costume, along with Bruce Timm wearing Joker's costume next to him. He would go on to write several additional episodes for the series, including "Chill of the Night!", which contained a team-up between Batman and Zatanna, one of Dini's favorite characters. Dini penned the storyline for the Rocksteady Studios video game Batman: Arkham Asylum, released on August 25, 2009. He wrote three episodes of Star Wars: The Clone Wars: "Cloak of Darkness," "Holocron Heist," and "Voyage of Temptation."