David Ramsey, who plays Diggle in 'Arrow,' teased another major event in season 4. David Ramsey, who plays Diggle in Arrow, hinted at the possibility of another crossover with The Flash in season 4.

'The Flash' cast is ready to break for Christmas, but not before Gustin dishes out a holiday teaser.

Check out new photos of Caitlin Snow's alter ego from the set of 'The Flash' The Flash's Earth-2 is about to get a little chilly. 'The Flash' Season 2: Will Wally's Illegal Need For Speed Cause A West Family Rift? Keiynan Lonsdale Explains Filming for The CW drama moved to Vancouver's Cathedral Park on Thursday, according to YVR Shoots, and behind-the-scenes photos indicate that The Flash will dive into an Earth-2 storyline early this spring.

Barry isn't the only 'Flash' character who likes to go fast... Wally West suddenly has a cop and a reporter in his life, and for the newest addition to The Flash family, that might not be the most advantageous arrangement.