- Season 21 — Law & Order: Special Victims Unit

: Introduced as the new Deputy Chief overseeing the unit. Notable Episodes

: Transitions from detective to the squad's new Assistant District Attorney (ADA) . Law & Order: Special Victims Unit - Season 21

Season 21 of is a milestone in television history, officially making the series the longest-running primetime live-action drama in U.S. history. Season Overview Total Episodes : 20 episodes. Premiere Date : September 26, 2019. : Introduced as the new Deputy Chief overseeing the unit

: April 23, 2020 (cut short from the original 24-episode order due to the COVID-19 pandemic). Major Cast & Character Shifts 2019. : April 23

: Joins the squad as a new detective, bringing a fresh, often rebellious perspective.