Login to unlock this video.
If you don't already have an account, sign up to enjoy more TVNZ content anytime, anywhere.
AO On Earth-2, the team races to find Zoom's lair and seeks help from the most unexpected source. Meanwhile, back on Earth-1, Caitlin rushes to perfect Velocity-9 so Jay can stop the Geomancer.
This show is no longer available on TVNZ OnDemand
Titles, characters and all other elements are the trade marks and copyright of TVNZ or its licensors. All rights reserved. Further details available here.