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Batman: Upon his release from Gotham City Prison, The Joker is immediately picked up by The Catwoman in her KittyCar. They soon arrive at a sleazy hotel across the street from Police HQ, where The Catwoman shows The Joker an old parchment that will direct them to a hidden cache of gunpowder they will use to blast a hole in The Federal Depository and clean the place out! Before leaving, they alert The Batman by shooting at him from an open window. The Caped Crusader traces the gunfire to the hotel room and finds The Joker's prison garb and a corner from the parchment. Moments later, Batgirl arrives and makes off with the fragmented parchment; returning to the library as Barbara Gordon, she finds the parchment was purr-loined from the very same library out of which she works. She locates a mircofilm copy and discovers that it contained an ancient riddle, which when mixed with certain clues will lead to the hidden gunpowder! Barbara solves the riddle and goes to her father's office at Police HQ to call Batman (via The Batphone!!!) and arrange to rendezvous with The Dynamic Duo at the home of Little Louie Groovy, who owns the parchment's first clue: a nightshirt. The Batman and Robin arrive just as The Catwoman and The Joker arrive to steal the nightshirt. Joker tricks The Duo into shaking hands and buzzes them with his deadly Joker buzzer, and he and Catwoman leaves with the shirt. Batgirl appears moments later to revive batman and robin, and informs them that the shirt was only half the clue to the gunpowder's location, and The Dynamic Trio speed for the home of mod clothier Karnaby Katz, who owns the clue' second half in the form of a crib. However, The Trio arrive too late - or so it seems! Just outside the bushes Joker, Catwoman and their men wait in ambush for them!

How to Watch Batman Season 3 Episode 16 Legally and Safely

If you want to stream Batman Season 3 Episode 16 through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry Batman Season 3 Episode 16 films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.