Cisco Ramon was a fan-favorite part of The Flash right from the very first episode. But he didn't last all nine seasons. Here's when, where, and why he left the CW show.

Cisco works late at night attempting to improve the Flash's suit to make it more bullet proof and odor resistant. While holding Cisco at gunpoint, Peek-a-Boo demands that Cisco make her a customized ...

Of all the abductions, this one is different.