Sometimes you need a fun, lighthearted, sweet hour to sit back and enjoy.

And make no mistake, The Rookie Season 4 Episode 18 was that type of hour where we got some of the best elements of the series and season. The Harper and James proposals and marriage were heartwarming and sweet.

We got that Chenford dance, Thorsen found his niche, and Badger returned and redeemed himself.

The train robbery case was one of those wonky ones where most of the fun came in all the antics of the bratty kids and Nolan, Chen, and Badger, along with Harper and Angela trying to solve everything.

Greg Grunberg's return as Badger was an unexpected but most delightful surprise. It was gobsmacking that a man who fired his weapon inside the station and got fired on his first day somehow managed to become a sergeant.

Initially, it seemed like an absurd fluke and...