Not only is Batman Day set for Saturday, September 15, but the day will also mark the official launch of the DC Universe streaming subscription service in the United States.

Also, in honor of Batman Day, DC Universe will feature more than 400 Batman-themed comics, documentaries, movies and television shows, along with 30 days of giveaways.

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“This weekend as we celebrate one of our most iconic heroes, we launch a digital service that unites Super Heroes from every corner of the DC universe, from our most treasured films and comics to exclusive originals all-in-one place,” Warner Bros. Digital Networks President Craig Hunegs said in a statement. “DC UNIVERSE stands out as a fan-first service in what is quickly becoming a crowded marketplace of consumer choices. The fan response has exceeded our wildest expectations and we’re excited to share this truly unique experience with everyone.”

The giveaways will begin with the DC Gallery: The Joker 1:1 Bust by Rick Baker, #1 of the limited series. Some of the Batman movies and TV shows available for streaming include 1989's BatmanBatman BeginsThe Dark KnightBatman: Mask of the PhantasmBatman Beyond and Batman: The Animated Series in HD for the very first time. The comics side will consist of The Dark Knight ReturnsBatman: Year OneDetective Comics #27, A Death in the Family and many more.

DC Universe launches on September 15 and will be made available for iOS and Android devices, Roku, Amazon Fire TV, Apple TV, and Android TV.

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