The debut of “Marvel’s Cloak & Dagger” (June 7, 2018, 8:00-9:03p.m. EDT) ranked as Freeform’s biggest series launch in over two years in Total Viewers (1.64 million). In fact, the series’ opener stood as Freeform’s most-watched drama telecast on any nightsince the series finale of “Pretty Little Liars” in June