Throughout "The Flash" season two, Barry Allen has had a rough go of things: Zoom has beaten him at every turn, he inadvertedly got Earth-2's Joe West killed, he almost died in an attempt to get his speed back and then Zoom killed his father right before his eyes. Despite all this, Grant Gustin was adamant that Barry will maintain his optimistic attitude in season three.
"We won't lose it," Gustin told ComicBook.com. "I will be adamant! I don't know what's going to happen in season 3, how they're going to write it, where they're going to go, but [Greg] Berlanti and [Andrew] Kreisberg and Geoff [Johns] -- I actually don't know how closely Geoff's involved anymore -- but all those guys know 'The Flash' better than anybody, and they know that he has to have the optimism."
"He lost his mom at a young age, he saw her right in front of him, then went back in time and watched it again... he'll find a way to deal with this," he continued. "He's not going to let it ruin him. It's going to be hard to come back from this one, but he'll stay optimistic Barry."
Of the upcoming season two finale, he added, "There's really nothing to even say. We literally pick up with the exact moment that we left off in the last episode, so it's just -- there's no words."