Before superhero movies dominated theaters, Adam West’s Batman turned living rooms into thrill rides. Capes flapped, villains schemed, and every “Same Bat-time, same Bat-channel” felt electric.

Airing during an era dominated by the grim realism of Christopher Nolan’s films and the gritty Arkham Asylum video games, Batman: The Brave and the Bold was an unapologetic celebration of a brighter ...