WATCH: THE FLASH Faces His Dark Past In Mid-Season Finale Trailer

For every action, there is an equal and opposite reaction. Barry Allen is about to face off against his in “The Man In The Yellow Suit”, and the two have one hell of a history.

The mystery of Barry’s family unravels in the mid-season finale, where THE FLASH must face off against Reverse Flash, the mysterious man who killed his mother and framed his father many years ago. But Reverse Flash is cunning and a threat to everyone Barry cares about, so defeating him will not be a simple task.

There’s lot of great theories about who the man behind the blurred mask is and we’ve loving them all. Who do you think the man in the yellow suit really is?

“The Man In The Yellow Suit” airs Tuesday at 8pm ET/ 7pm CT.