Wally's powers have arrived just in time for the annual Supergirl/Flash/Arrow crossover. 7942
Melinda now knows the connection between Andrew and Lash. While dealing with the other revelations made during the last episode, SHIELD and the ATCU learn the same information.
After returning from Central City, Team Arrow is back and in full pursuit of the Boomerang Wielding killer, Digger Harkness (Captain Boomerang). They're joined by Team Flash, who doesn't seem ready to let the team-up party end just yet.