CAITLIN CALLS ON HER MOTHER FOR HELP WITH HER GROWING META POWERS: Desperate to understand what is happening to her, Caitlin (Danielle Panabaker) visits her Mother, Dr. Tannhauser (Guest Star Susan Walters), a renowned biomedical researcher, in the hopes that her Mother can provide some answers about Caitlin’s growing Metahuman Powers. However, when Dr. Tannhauser treats her daughter like a test subject, Caitlin grows cold and brings up past wounds causing the two to have a major blowout. Meanwhile, after a mysterious new Metahuman attacks Central City, Barry (Grant Gustin) tries to convince Julian (Tom Felton) to let him assist on the case. C. Kim Miles Directed The Episode Written by Zack Stentz.