Check out the promo and press release for the next episode and part four of the ‘Armageddon’ crossover, that will airs on December 7.

BARRY FACES OFF WITH EOBARD THAWNE – Barry (Grant Gustin) is shocked when Eobard Thawne (guest star Tom Cavanagh) returns in the most unexpected way, and with a tie to a loved one. Damien Darhk (guest star Neal McDonough) offers advice to Barry but there is a catch. An epic battle begins with Reverse Flash pitted against The Flash, Team Flash, Batwoman (guest star Javicia Leslie), Sentinel (guest star Chyler Leigh) and Ryan Choi (guest star Osric Chau).