The Flash Is Born - [s1e6]

The Man in the Yellow Suit (Reverse-Flash) made a terrifying appearance at Joe’s house, stealing the evidence of Nora Allen’s murder and leaving a knife through a photo of Iris with a simple message: "STOP OR ELSE."

Was it the epic supersonic punch, or the growing mystery surrounding Harrison Wells? Let me know in the comments!

Barry faces off against (guest star Greg Finley), a childhood bully who gained the ability to transform his skin into organic steel—becoming the DC villain Girder . Unlike Barry, who used his gifts for good, Tony used his to continue his bullying ways on a much more dangerous scale. After two brutal defeats, Barry realized that outrunning this man of steel wouldn't be enough; he had to outsmart him. The Science of the "Supersonic Punch"