Year later of fighting bad guys there was mission that took to Gotham city they met batman  found out he was from earth 2 gothom.

Joker and Harley Quinn has been causing trouble and recently Sara Barry with the help of batman has found out that Harley went to earth one and joker stayed on that earth so Barry Sara with a help of batman side kick nightwing

Barry and Sara with dick Grayson  went to earth one to get Harley Quinn back and back to arkham jail, Sara was holding Barry hand when them and dick was In breach room on earth one in star labs.

Once they landed in cortex everyone saw them and still not happy except for Harry wells, ""Hey Barry and Sara what can we do for you and who's this"" ""Hey harry good to see you this is dick Grayson or nightwing batman who was from earth 2 but question we here someone from our earth came here here to stop her from destroying  city"" ""Is she a meta "" Harry asked.

""No just very physco her boyfriend is man has clown face name joker scary as hell but that's Gotham for you"" said Sara kissing Barry cheek, ""we be here until we find her and someone call Joe"" said Barry.

Joe came then, ""what you want Barry"" ""there is a person in this city we looking  for if any details she physco blonde tell us we be here for while don't capture her we deal with her she wanted me and Sara want to kill her but nightwing and batman who is in our earth capturing her boyfriend also physco want her to prison which is stupid but their city"" Barry replied back.

""Allen how man people have you killed since you became green arrow"" harry asked ""I killed over 500 thousand Sara killed 480 thousand"" Barry said smiling at his wife kissing her head.