Aired 5 years ago - Feb 10, 2015
After Ronnie attacks a physicist, Barry and the team realize they need to go after Caitlin's fiancé who is now a dangerous meta-human. Barry struggles to balance his duties as The Flash and his relationship with Linda Park. Joe enlists Cisco's help to reinvestigate the murder of Nora Allen. General Eiling returns to Central City.
Mouse over thumbnail for slideshow
Or scroll and see one by one: