Robbie Amell, who appears on "The Flash" as one half of Firestorm, revealed in an interview with CBR News that although he filmed a sequence for the finale debuting Firestorm's new matter manipulation ability, the scene was ultimately cut for length.

"In the finale, you were going to see a scene where Caitlin and I are talking. I tell her, we do have a better handle on our powers, [and] I show her a new trick," Amell explained. "They introduced matter manipulation in the finale -- but the finale was also thirty minutes too long, because it's such a huge, incredible episode, [the scene] was one of the things that could go. You won't see it, but originally I turn a thermometer into a flower for her. It was a very sweet scene that showed some matter manipulation. Maybe they will release it on the DVD/Blu-ray set... In the finale, there was going to be a scene when we turn into Firestorm. We literally step towards each other and turn into him. There isn't any difficulty. And, now, we get to do matter manipulation -- but nobody gets to see it yet."

In the show, Raymond and Martin Stein (Victor Garber) have traveled a long, bumpy road to becoming a Firestorm that truly works in tandem. With this new ability, it seems as though the two have finally hit a groove that allows them to explore the possibilities of their metahuman abilities.

"The Flash" season finale airs tonight, May 19 at 8 pm EST on The CW.