Kalgan might look like a brand-new setting introduced in Foundation season 3 on Apple TV+, but according to Isaac Asimov’s books, it’s a rich world with a long history as the Galaxy’s pleasure planet.

Foundation's season 2 premiere introduced audiences to a new planet called Kalgan, and there's context for it in the show and the books. Apple TV+'s sci-fi series is based on Isaac Asimov's Foundation ...

AppleTV+ has a wide variety of critically acclaimed sci-fi shows that have become major hits. One of them is Foundation.