Escape from Earth-2

"I know you're here, Harrison Wells, and you did not come alone. You can try to hide... But I'm the fastest man alive. I will scour this city until I hunt you down. And when I do, all of you will feel my wrath."

- Zoom's message to Harrison Wells "Escape from Earth-2" is the fourteenth episode of the second season of The Flash, and the thirty-seventh episode overall. It is the second half of a two-parter.

Synopsis
On Earth-2, the team races to find Zoom's lair and asks for help from the most unexpected source. Meanwhile, back on Earth-1, Caitlin rushes to perfect Velocity 9 so that Jay can stop the Geomancer.

Trivia

 * The show Barry-2 describes, "Commander Carl: Space Marshall of the Galaxy", is a reference to Commando Cody: Sky Marshal of the Universe.
 * Patty Spivot is said to be a CSI tech on Earth-2 like she is in the comics. However, on Earth-2, she has already been a CSI tech for some time.
 * This episode has Caitlin create the speed drug "Velocity 9". In the comics this drug is created by Vandal Savage and gives The Flash enemy Inertia his powers.
 * Cisco calls Killer Frost "Elsa", a reference to the protagonist of the movie Frozen, who had similar powers to Killer Frost.
 * Earth-2 Barry and Iris Allen say they have relatives in Atlantis and they will go there to seek refuge from Zoom. Atlantis is home to one of the founding members of the Justice League, Arthur Curry, aka Aquaman.