4. Pretty Little Liars
After months of speculation, Freeform finally confirmed that its hit mystery drama, Pretty Little Liars, would end after its seventh season. The show, starring Troian Bellisario, Ashley Benson, Lucy Hale, Shay Mitchell, and Sasha Pieterse, aired its final 10 episodes starting in April 2017. The concluding installments ended with a special two-hour series finale in mid-June of 2017.