The CW has released a poster image along with the official synopsis for Part 1 of the upcoming 5-part crossover on “The Flash,” featuring Chyler Leigh as Alex Danvers/Sentinel.
Titled “Armageddon – Part 1” this episode is scheduled to air on The CW in the USA on Tuesday, November 16 at 8.00pm ET/PT.
PART ONE OF THE ARMAGEDDON FIVE EPISODE EVENT
When a powerful alien threat arrives on Earth under mysterious circumstances, Barry (Grant Gustin), Iris (Candice Patton) and the rest of Team Flash are pushed to their limits in a desperate battle to save the world. But with time running out and the fate of humanity at stake, Flash and his companions will also need to enlist the help of some old friends if the forces of good are to prevail. Brandon Routh guest stars.
Eric Dean Seaton directed the episode written by Eric Wallace.

I’m asking as much for our friend Superman2878; if we’re seeing the return of Ray Palmer, will we maybe get a cameo of a certain citizen of Earth-96?