THE EXCITING CONCLUSION TO THE EARTH-2 JOURNEY – 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 (Danielle Panabaker) rushes to perfect Velocity-9 so that Jay (guest star Teddy Sears) can stop the Geomancer (guest star Adam Stafford). J.J. Makaro directed the episode with story by Todd Helbing & Aaron Helbing and teleplay by David Kob (#214).