Description:  The New Batman Adventures is a 1997 animated series that served as a follow-up to Batman: The Animated Series, featuring a new, sleeker visual style and a greater focus on Batman's supporting cast. The show, which includes new versions of Robin (now often called Nightwing), Batgirl, and other allies, has a more modern, less noir-influenced aesthetic with brighter colors. It follows Batman and his allies as they fight iconic villains like the Joker and the Penguin, with some episodes exploring the stories of these supporting characters in more depth.

Style and tone: The series has a significantly different animation style compared to the original, with redesigned characters and a brighter, less shadowy visual composition that aligns it with Superman: The Animated Series.

Characters: While Batman remains central, the show gives more focus to his allies, including a younger Robin (Tim Drake), the newly introduced Nightwing, and an upgraded Batgirl.

Villains: Classic Batman villains like the Joker and the Penguin continue to appear, but the show also features new takes on other characters, such as Mr. Freeze and the Riddler, some of which were controversial among fans, notes a YouTube video analysis.

Storylines: Episodes often feature a team-up format and a greater variety of storylines. The first episode, for example, shows three interconnected stories during the holiday season, while others delve into the lives of the supporting cast.