Bungou Stray Dogs is at the minimum an enjoyable and somewhat mysterious watch.
When I started this show, I was personally intrigued by the setting of an orphan character with undiscovered supernatural abilities. It felt exciting and mysterious. I feel like after watching it, I was both surprised and somewhat disappointed that I still have unanswered questions in regard to the show's plot and setting.
The series starts with a lot of potential; introducing viewers to a stereotype of a somewhat naive inexperienced teenager as the protagonist who gets involved with a detective agency made up of individuals with supernatural abilities. And here's where it might start
to slip: all of these characters are fairly interesting but I felt like none of their backgrounds or stories were adequately explored. In the same vein, no solid explanation seems to be provided for the existence of supernatural abilities in the world the anime is set in. The organizations and institutions are barely explained; and one feels like a lot is taken for granted for the viewer to simply accept who the good and bad guys are and their stereotypes
And that, I think is Bungou Stray Dogs' main issue for me. The potential amazing storyline that it starts off with, hits hurdles as nothing seems to be subsequently fully explored. The theme of one of the main characters' past and his growth for instance, has no explicit explanation; visual or otherwise, of how his life at the orphanage was actually like. (Note: this might very well be partly because of the low amount of episodes S1 has to play itself out within, I'm looking forward to watching S2)
That being said, none of the above means it's not enjoyable to watch. I had plenty of moments where the timing of comedic scenes made me wonder if the show intended for itself to be taken seriously or not; but I also did have multiple giggles with the different types of humor each character brought to the show. Take for instance one of the main characters, Dazai, whose suicidal humor seems (to me at least) to fit his character of a subtly silly but in reality impressive and strategic leader.
I personally found no issues with the animation; and the action scenes, despite suffering from poor setting (as explored some paragraphs above) are definitely enjoyable and capture the thrill or edge of the scene in most instances.
Overall, though the plot will contain disappointments for anyone looking for a serious action show; the characters and action scenes make it a tolerable watch (and maybe even a highly enjoyable experience as it was for me) as a whole.