: To protect his identity, Cassidy swaps blood tags in the hospital fridge to frame Dr. Brock Holt as the 1985 "baby in the belly" (the child of the woman whose husband died at the hospital years prior). If you meant the TV series Blood Drive (Syfy)
: To combat a severe blood shortage at the C.U.R.E. Institute, Dean Munsch and Chanel Oberlin organize a competitive blood drive. Chanel is highly motivated by the prize: a luxury vacation to "Blood Island". [S2E6] Blood Drive
: The episode confirms there are actually three Green Meanies . It is revealed that Dr. Cassidy Cascade is one of the killers. : To protect his identity, Cassidy swaps blood