The Rookie - Full Series Information, Trailer & IMDb Reviews
Watch The Rookie Season 4 Episode 21 online — it may be available on legal streaming platforms such as YouTube, Netflix, Prime Video, Hulu, Disney+, and others.
Sergeant Grey supports Officer Nolan's desire to become a training officer and offers to ride with him for the day to get him ready. Meanwhile, Tim and Lucy must manage expectations in their respective relationships as they decide on their plans for Mother's Day and a romantic vacation.