Backward selfie during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
John Wesley Shipp (Henry Allen) and Executive Producer Greg Berlanti sign posters at THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Video screens over the Warner Bros. booth during THE FLASH signing at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
A special guest with her own superhero pedigree, Lee Meriwether (Catwoman in the 1966 Batman movie), visits Tom Cavanagh (Dr. Harrison Wells) during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Special visitor Lee Meriwether (Catwoman in the 1966 Batman movie) chats with THE FLASH star Candice Patton (Iris West) during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Meeting of superheroes: Special visitor Lee Meriwether (Catwoman in the 1966 Batman movie) visits Grant Gustin (Barry Allen/The Flash) during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
(L-R) Special visitor Lee Meriwether (Catwoman in the 1966 Batman movie), John Wesley Shipp (Henry Allen), Executive Producer Greg Berlanti and Executive Producer Andrew Kreisberg during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Grant Gustin (Barry Allen/The Flash) during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
THE FLASH cast and creative team assemble in the Warner Bros. booth at Comic-Con 2015: (L-R) Executive Producer Andrew Kreisberg, Executive Producer Greg Berlanti, Candice Patton (Iris West), Tom Cavanagh (Dr. Harrison Wells), Grant Gustin (Barry Allen/The Flash), Danielle Panabaker (Dr. Caitlin Snow), Carlos Valdes (Cisco Ramon) and John Wesley Shipp (Henry Allen). #WBSDCC (©2015 WBEI. All rights reserved.)
THE FLASH cast gathers in the Warner Bros. booth at Comic-Con 2015: (L-R) Candice Patton (Iris West), Tom Cavanagh (Dr. Harrison Wells), Grant Gustin (Barry Allen/The Flash), Danielle Panabaker (Dr. Caitlin Snow), Carlos Valdes (Cisco Ramon) and John Wesley Shipp (Henry Allen). #WBSDCC (©2015 WBEI. All rights reserved.)
Carlos Valdes (Cisco Ramon) signs a poster for a fan during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Cast member Danielle Panabaker (Dr. Caitlin Snow) smiles at a fan during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
John Wesley Shipp (Henry Allen) at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Two fans engage Tom Cavanagh (Dr. Harrison Wells) in conversation at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Tom Cavanagh (Dr. Harrison Wells) at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
A young Flash meets his TV counterpart, series star Grant Gustin, at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Grant Gustin poses with three of his littlest fans during THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Cast member Candice Patton (Iris West) greets visitors to the Warner Bros. booth during THE FLASH signing at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Cast member Danielle Panabaker (Dr. Caitlin Snow) at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Carlos Valdes (Cisco Ramon) during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Executive Producer Andrew Kreisberg at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Danielle Panabaker looks over as Grant Gustin signs a poster at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Cast member Candice Patton (Iris West) signs a poster for a brightly colored fan in the Warner Bros. booth during THE FLASH signing at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Grant Gustin (Barry Allen/The Flash) chats with a fan during THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
A super Flash fan meets series star Grant Gustin (Barry Allen/The Flash) at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Grant Gustin gives props to a major Flash fan who stopped by THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Danielle Panabaker signs a poster at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
A fan watches as series star Grant Gustin (Barry Allen/The Flash) signs her poster at THE FLASH signing in the Warner Bros. booth during Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
Danielle Panabaker and Carlos Valdes confer during THE FLASH signing in the Warner Bros. booth at Comic-Con 2015. #WBSDCC (©2015 WBEI. All rights reserved.)
At Comic-Con 2015, the cast and creative team from THE FLASH sped into the Warner Bros. booth, signed posters and interacted with excited fans of the show. #WBSDCC (©2015 WBEI. All rights reserved.)