True Colors

"True Colors" is the thirteenth episode of the fourth season of The Flash, and the eighty-second episode overall. It aired on February 6, 2018.

Synopsis
After hearing that Amunet has struck a deal to buy all of the meta-humans in Iron Heights, Barry must decide if he should expose his powers in order to save his cellmates. After a visit from an old friend, Ralph is reminded of his shady past and wonders if he’s really a changed man.

Trivia

 * This title is a reference to the Cyndi Lauper song "True Colors".
 * In this episode, Ralph discovers that his elastic powers also enable him to shape-shift into another's form, prompting Team Flash to pressure him into using this newfound aspect of his abilities to hamper the deal about to be struck between Amunet and Warden Wolfe.