After the chaos at S.T.A.R. Labs last issue, a member of the gang has been possessed! But while the youngsters are entangled with one another, Mr. Terrific comes over from investigating the spooky Speed Force stuff happening in the pages of The Flash to give our heroes a hand! (W) Jarrett Williams (A) Daniele Di Nicuolo, Francesco Mortarino (CA) Ethan Young