What’s next for The 100? Recently, SpoilerTV posted several behind-the-scenes photos and details were released for season four of the The CW series.

The drama follows a group of young people who are sent back to Earth nearly 100 years after a nuclear Armageddon destroyed civilization. The cast includes Eliza Taylor, Paige Turco, Bob Morley, Marie Avgeropoulos, Christopher Larkin, Devon Bostick, and Isaiah Washington.

According to the Twitter fan account The 100 S4 News, season four will introduce a lot of new characters:

Episode 410 will be huge as a lot of new characters will be introduced! #The100 #The100Season4 (via @InsideThe100)

— The 100 S7 News (@The100S7) November 1, 2016

Bellamy and Octavia will have significant scenes with Roan in Season 4! #The100 #The100Season4 (via @TVWatchtower)

— The 100 S7 News (@The100S7) November 1, 2016

Marie says we will see a flashback with Pike and other characters interacting! #The100 (via @aaronsagers)

— The 100 S7 News (@The100S7) November 1, 2016

Bob says that impending doom of Earth's ticking clock begins straight away and plays throughtout season! (via @aaronsagers)

— The 100 S7 News (@The100S7) November 1, 2016

In addition to new characters, the upcoming season will feature new costumes and sets:

New clan costumes for Season 4! Glowing Forest Clan, Ice Nation & Shallow Valley Clan! #THE100SEASON4 (via @ChrisHayner) pic.twitter.com/2jjV1gnuTl

— The 100 S7 News (@The100S7) November 1, 2016

BTS photos of the set of #The100 from the set visit yesterday! (via @The100_KSiteTV) pic.twitter.com/cMDFATL67U

— The 100 S7 News (@The100S7) November 2, 2016

What do you think? Do you watch The 100? What do you hope happens in season four?