Lana Parrilla, left, as Regina and Sean Maguire as Robin in “Once Upon a Time” on ABC. )
Lana Parrilla, left, as Regina and Sean Maguire as Robin in “Once Upon a Time” on ABC. ) Jack Rowand ABC
Lana Parrilla, left, as Regina and Sean Maguire as Robin in “Once Upon a Time” on ABC. ) Jack Rowand ABC

What to Watch on Sunday: A night of finales on ABC, Fox and HBO

May 15, 2016 06:00 AM