So, to be fair, I'm not that good on writing reviews for animes yet (or for anything that isn't a game), but since it's the first DC anime separated by episodes (I think), I got curious and decided to watch and try to write something at least for this one

Being honest, I thought it would be way worse. Of course, we got the James Gunn movie, but besides that we got the David Ayer movie and Kill The Justice League which has to be the worst thing that we got about this story.
Because of that, I was hoping to watch the worse thing ever. But...it's actually ok. Not as remarkable as it could be, but not as bad as it sounds either.

The animation fells a little inconsistent. Like, there were some times that I personally thought it looked great, but there were others that I didn't like much (especially when they're fighting a dragon just to get their equipment back). Though it's hard for me to really analyze that part since, even if it's an important aspect, it's not one that bothers me that much unless it's literally unwatchable or near it, and fortunately ISS doesn't reach that level

The songs I just remember the ending one. No jokes, most of them just feels as background music that was made for that moment not be in entire silence. Even the opening one I can't remember anything since it was so basic. Not bad songs, but nothing I would want to hear more times or that it got on my head at any point

The story is...there. I don't really know if the writing is bad or if it's just that the idea feels so generic to a DC show that I really wasn't paying that much attention, but I swear that the most I can remember is that they're transported to that medieval world to collect resources, and they have an timed bomb implanted on their necks so if they tried anything funny they would die (I do remember the final plot twist though, but I'll not talk about it because of spoilers. Although I think it's a little predictable and generic)
Probably it was made just to focus on the action

The characters are good on the DC side. I don't feel that Harley and Joker are as crazy as they normally are, but I think this is probably because it's an anime (although I think they really did made Joker more calmer, even if he drives a car THAT THE STEERING WHEEL IS A FREAKING PIANO). Also, something funny is that I thoungh Harley would be my favourite character there since she is the most popular on the bunch and is the one that is always on the Suicide Squad team (I think). But in the end my favourite one was actually Clayface. I can't really explain why, but he did ended up being the most fun to see on screen (and through the entire anime I kept making jokes about he being on the "Michael Jackson" archetype of character)

Now for the characters from the medieval world...I barely remember anything about them. Besides Aldora, Fione and Cecil, I really don't feel that any character was that important for the story, and even those three was not that interesting. I think I do prefer Fione because of the end, but even with their importance, they were not anything special

Like I said, I did thought it would be way worse before watching it, but it was kinda fun. However...I don't know if I would recommend this or not. It's fun, but easily forgettable since there is literally zero things that can make it special somehow. Giving the ending scene, there is probably some plans to make an second season, but I doubt that they will do it (and regardless if they do it or not, I don't think there will be that much difference)