The crossover will set the table for DC's Legends of Tomorrow, which lands on The CW in January 2016.
Check out the teaser below and let me know what you think.
Desperate times call for desperate measures. Don't miss part-1 of #TheFlash and #Arrow Crossover starting Dec 1! https://t.co/DtpK2ljp8f— The Flash (@CW_TheFlash) November 19, 2015