Foundation Season 3 is moving into darker, more unpredictable territory, and the arrival of a new villain is at the center of it all.

Foundation's new planet, Kalgan, will play a critical role in season 3. Here's what we know from the TV show and Isaac Asimov's books, so far.

Fans are thrilled to see the release of the third instalment of this sci-fi hidden gem on Apple TV.