'There is no right or wrong. That ending will evolve as you need it to,' EP Martin Gero tells ET about the series' final scene.
The NBC action drama wraps up its five-season run on Thursday, July 23 with the 100th episode.
ET exclusively debuts a first look from Friday's episode.
ET exclusively debuts a first look from an all-new episode, airing Friday, April 19 at 8 p.m. ET/PT on NBC.
ET exclusively debuts a first look from Friday's episode, featuring the return of a former series regular.
An all-new episode, featuring the return of former series regular Ukweli Roach, airs Friday, March 22 at 8 p.m. ET/PT on NBC.
ET exclusively debuts a heartbreaking first look from Friday's episode.
ET exclusively debuts a first look from Friday's episode, airing 8 p.m. ET/PT on NBC.
ET exclusively debuts a first look from a brand new episode, airing Friday, Nov. 9 at 8 p.m. ET/PT on NBC.
ET exclusively debuts the first look at the new gag reel from the season three DVD/Blu-ray set.
'Blindspot: The Complete Third Season,' is available on DVD and Blu-ray on Tuesday, Aug. 21.
ET exclusively debuts a first look from Friday's season closer.