Ep 13. Tina, Is That You?

After being struck by lightning and gaining superhuman speed, Barry Allen, a forensic scientist, becomes The Flash and dedicates his life to fighting crime and protecting his city. In this episode, titled "Tina, Is That You?," Barry gets a chance to reconnect with an old flame when he encounters Tina McGee, a brilliant scientist who worked with his late father.

Tina is in town to test a new invention, a device that can detect and neutralize radiation. But when the device is stolen by a group of criminals, Barry comes to Tina's rescue and begins to work with her to get it back. Along the way, we get a glimpse into Barry's past and his relationship with Tina, as well as some romantic tension between the two.

Meanwhile, Iris struggles with her feelings for Barry and starts to suspect that something is going on between him and her best friend, Felicity. Eddie, still convinced that Barry is The Flash, launches an investigation into his whereabouts and starts to put the pieces together.

As Barry and Tina track down the stolen device, they discover that the criminals who took it have some dangerous plans for it, and they must race against time to stop them. Along the way, Barry uses his super speed to perform some impressive stunts and take down the bad guys, all while trying to keep his identity secret.

In the end, Barry and Tina succeed in stopping the criminals and recovering the device, but not without some close calls and heart-pumping action. And as the episode comes to a close, we're left wondering what will happen next with Barry and Tina's relationship, as well as Eddie's suspicions about Barry's alter ego.