Episode 13 of “The Flash” ended on a pretty big cliffhanger. After Barry (Grant Gustin) tracked down Ronnie Raymond (Robbie Amell) and Dr. Stein (Victor Garber) -- who were fused together as Firestorm -- Dr. Wells devised a plan to separate them. Meanwhile, Joe (Jesse Martin) and Cisco (Carlos Valdes) made some shocking discoveries about the murder of Barry’s mother. There was a lot to cover in episode 14, “Fallout.”

Here are 6 things we learned from episode 14:

1. Keep 'Em Separated

Dr. Wells’ (Harrison Wells) plan to separate Ronnie and Dr. Stein worked, and when the dust settled, the men were in control of their own bodies. Despite each having a curious fever, both men were fine and cured of any Firestorm super powers, although they were a bit sick of each other after all their bonding time.

2. Time Travel

Not even 24 hours after getting Dr. Stein back home to his wife, Barry was back to talk about time travel. Joe had clued him in on the evidence Cisco (Carlos Valdes) and him found that put Barry -- adult superhero Barry -- at the crime scene when his mother was killed. Dr. Stein theorized at some point, Barry will move so fast, the kinetic energy will rip a hole through space-time.

3. Military Men

Unfortunately for everyone at S.T.A.R. Labs, General Wade (Clancy Brown) and the U.S. military noticed the huge blast that separated Dr. Stein and Ronnie. They still wanted Firestorm and would stop at nothing to get Stein and Ronnie. General Wade blackmailed Dr. Wells, threatening to expose Barry, and Dr. Wells ended up drugging Dr. Stein to turn him over to Wade.

However, there was still a connection  between Ronnie and Dr. Stein, and through some unconventional lines of communication, Stein was able to tell Ronnie and the S.T.A.R. Labs team his location.

4. Some Investigative Journalism

Meanwhile, Iris (Candice Patton) was begrudgingly helping Mason (Roger Howart) investigate Dr. Wells and S.T.A.R. Labs over the particle accelerator explosion. When he got hold of a picture showing the military going after Caitlin and Ronnie, she knew something was up, recognizing him as Firestorm from her Flash blog.

5. Reunited

Barry and Ronnie found the military base where Wade was holding Stein. Barry got the doctor out, but they had some trouble getting way. With soldiers closing in, Dr. Stein and Ronnie were left with no choice but to combine again. This time both men accepted the fusion, resulting in a more powerful and stable Firestorm. The two superheroes were able to team up to escape.

Fortunately, Ronnie and Dr. Stein could now separate at will. Unfortunately for Ronnie and Caitlin, Ronnie had to leave.

6. The Big Reveal

The biggest shocker of the episode, as usual, came in the last scene. Reverse Flash made a return appearance, snatching General Wade and bringing him underground into a sewer. Reverse Flash removed his mask confirming the worst kept secret on TV -- Dr. Wells is Reverse Flash. Wells left General Wade to fend for himself with an angry Gorilla -- who just may be Gorilla Grodd from the comics.

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