The episode uses the Mother's Day holiday to explore the personal lives and "mommy issues" of the main cast.
“Nolan is getting stonewalled from climbing the ranks, and it sucks. He's a great enough cop where he should have a plethora of options for advancement, but they all fall through for one reason or another.” TV Fanatic · 3 years ago Mother's DayThe Rookie : Season 4 Episode 21
“The anti-rich thieves who went on a crime spree were a bit of a snooze fest... And there was nothing memorable about them stealing a Porsche.” IMDb The episode uses the Mother's Day holiday to