what episode of supergirl does she meet the flash
Supergirl (TV series) On February 3, 2016, it was announced that Grant Gustin, who appears as Barry Allen / Flash on The Flash, would appear in the eighteenth episode of the first season, "Worlds Finest".[121] While no plot details on the episodes were released at the time, Ross A. Lincoln of Deadline Hollywood noted that "the in-universe reason" for the crossover was due to Barry's ability to travel to various dimensions, thus implying that Supergirl exists on an alternate Earth to the Arrowverse in a multiverse.[122] The Flash episode "Welcome to Earth-2" confirmed this, showing an image of Benoist as Supergirl during a sequence where characters travel through that multiverse.[123] The earth that the series inhabits is Earth-38 in the Arrowverse multiverse,[124] and has been informally referred to as "Earth-CBS" by Marc Guggenheim, one of the creators of Arrow.[125]
Flash (Barry Allen) In time, he married his girlfriend Iris, who learned of his double identity because Allen talked in his sleep. She kept this secret, and he eventually revealed his identity to her of his own free will.[5] Iris was eventually revealed to have been sent as a child from the 30th century and adopted.
Courtney Matthews In May 2015, Courtney appears to her son Spencer to help him realize that he is not disfigured from the fire he was injured months earlier, as well as helping him to become a better person. Before leaving, Courtney assures Spencer that she loves him and that she is always with him.
Oh Honey It features Katy Perry as a guest star, playing Honey, the gullible character that the episode is named after.