Apple TV+ has officially renewed the dystopian sci-fi drama 'Silo' for both a third and fourth season, marking the series' conclusion with the latter.

Currently, 'Silo' is in its second season, with new episodes airing weekly until mid-January 2025.

The show, which is noted for its dark visual quality, is currently available for streaming on Apple TV+.

Critics have praised the series, highlighting Rebecca Ferguson's strong performance and the show's ability to engage viewers with its intriguing mysteries.

Based on Hugh Howey's best-selling book series, both Ferguson and Howey serve as executive producers, ensuring a faithful adaptation.

The storyline explores the complexities of life within the silo and the dangers that lurk outside its walls.

The cast of 'Silo' includes notable actors such as Tim Robbins, Common, and newcomers like Steve Zahn and Harriet Walter.

Ferguson, who stars as Juliette Nichols, has emphasized her commitment to telling the complete story from Howey's books and is eager to complete the narrative across the final seasons.

Showrunner Graham Yost expressed enthusiasm about adapting Howey's novels and aims to provide a satisfying resolution to the series' many mysteries in the final two seasons.

Since its premiere in 2023, 'Silo' has gained popularity, following the last ten thousand people on Earth living in an underground silo, with engineer Juliette uncovering the truth behind its construction.

The upcoming seasons will adapt the final book, 'Dusk', which introduces new conflicts following a significant event.

The renewal announcement was made on December 16, 2024, allowing for a planned conclusion rather than an abrupt cancellation.