When you watch the same show season after season it can be worthwhile to take a step back and see how the show has moved on from its beginnings. Some move on from their original premise to something wider or narrower (e.g. Revenge, which I’m still not sure needed to go beyond its third season climax), whilst others add layers to the original story, fuelling the story.

Grimm falls into this category quite nicely. As the fourth season moves along, more characters are being given light and shade beyond Nick himself, as well as different permutations of what his powers actually mean. In the case of the latter this has included episodes dealing with what happens when a Grimm goes bad (or rather loses the ability to make decisions) and the consequences of losing his powers. Being behind America here in the UK, we are only just beginning to see him get his powers back, as well as the return of Josh Porter, who I must confess I had forgotten about until his back-story was re-explained to the viewers.

It is the added depth to the characters though that this show has made the biggest advances. Nick is no longer the only one facing dilemmas. Rosalee and Monroe’s relationship has become a good allegory for racial and homophobic race crime, a love that was condemned by parents and is still under threat from the wider community. Yes, comparisons to the KKK are made a little obvious, but this is a mainstream series after all, not some abstract play where you have to puzzle over the meaning for hours afterwards.

It is in Adalind’s development though that I am most intrigued by. Having spent the first two series playing a sharp, smart and manipulative (if slightly unloved) character, the past couple of seasons have added nuances. The realisation she is just a pawn in men’s games led her to almost becoming a good guy, coupled with motherhood. Then the loss of her child, in a plot so tangled it has taken even the smartest villain in the show nearly half a season to figure out what happened, has led her to being a more amoral figure. She doesn’t care for good or evil, she just wants her baby back.

It will be interesting as this season develops to see how different sub-plots ferment. How will Adalind and the Royals trace Kelly Burkhardt? How far will the Wesen community go to destroy Monroe and Rosalee? And will Wu ever be allowed to learn what the hell is going on? With all this going, the ‘Wesen crime’ plotline in each episode is almost the distraction. Still, you have to stick to what you do best, I guess.

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