Episode 01 “Echoes”
Episode 02 “Heavy Lies The Crown“
Episode 03 “The Four Horsemen“
The 100 4×04 Extended Promo “A Lie Guarded” :
The Co-Executive Producer of CW’s #The100, Aaron Ginsburg posted it earlier :
The trailer is coming along great! We’re perfectionists over here, and it’s not perfect yet. Once it is, you’ll see it. Promise. #The100 – @DrLawyercop
The CW announced the renewal of ‘The 100’ :
“‘The 100 will return on Wednesday, Feb. 1 at 9 p.m.” (The CW)
4×01 is called ‘Echoes‘, written by Jason Rothenberg, directed by Dean White
The CW has released a very short description for Part One and Part Two of The 100′s Season 3 finale :
Perverse Instantiation – Part One
Clarke (Eliza Taylor) finds hope in the most unlikely place. Meanwhile, Alie’s (guest star Erica Cerra) master plan comes together.
Perverse Instantiation – Part Two
In the season’s epic and mind-bending conclusion, our heroes begin to face the reality of their tragic situation. Everyone prepares for a final showdown.