The Justice Society is now showing up in the film Black Adam, but their first real spotlight outside the comics was in a lighthearted Batman cartoon.
DC: Every Iteration Of The Crime Syndicate, Explained
Terrence Sloane (The Brave and the Bold), DC Database
Batman: The Brave and the Bold, Batman Wiki
I Only Just Found Out There Was An Episode Of Batman The Brave And The Bold (The Super-Batman Of Planet X) Which Had Kevin Conroy, Clancy Brown And Dana DelanyThere's Still So
Justice League episodes: All 25 installments ranked
Scooby-Doo! & Batman: The Brave and the Bold - Wikipedia
Why aren't Superman, Batman, Wonder Woman, Green Arrow, and Aquaman members of the Justice Society of America when they debuted in the golden age? - Quora
10 Superhero Shows As Good As Batman: The Animated Series
Who Are The New Members Of The Justice Society Of America? (Spoilers)
A (brief) history of the Justice League – in all its incarnations