Question: when does the flash season 4 come out on stan

title: The Flash (season 4)
text: Barry and Ralph train to defeat DeVoe , with Barry becoming annoyed at Ralph 's apparent inability to be serious . The team manages to locate another bus meta , Janet Petty . When Barry and Ralph confront her , it is revealed that Petty can manipulate a person 's gravitational pull , which she demonstrates on Barry . Fearing once again that Ralph is not taking things seriously , Barry refuses to work with him . Ralph reveals his comedic attitude is due to a difficult childhood where his father abandoned him , causing him to make jokes whenever he is scared or under pressure . Barry relents and they go to stop Janet at a gala event . Janet uses her powers on Barry , causing him to float into the atmosphere . Barry tells the team to trust Ralph to improvise . Ralph detains Janet , then becomes a giant airbag to allow Barry to land safely . DeVoe 's wife discovers he has been drugging her , so she will continue to assist him . Breacher comes to Earth - 1 to ask Cisco for help as some of his powers have failed . Harry takes the thinking cap to Thawne 's time vault to recharge it and activates Gideon .