Caitlin, Barry, and Cisco learn something new about Caitlin's father; Iris and Sherloque follow a clue about Cicada.
Cast: Grant Gustin, Candice Patton, Danielle Panabaker, Carlos Valdes, Hartley Sawyer, Danielle Nicolet, Jessica Parker Kennedy, Chris Klein, Tom Cavanagh, Jesse L. Martin, Lossen Chambers, Cassandra Ebner, Lego Jear, Kathryn Marie Robinson, Alex Rose