Apparently, this is a FMA parody of the opening for Lucky Star. I've never seen the anime myself, but I still found this hysterical. XD If you'd like to see the original OP that this is a take-off on, just look at the comments.
Okay...I've watched every episode of Brotherhood so far, and I think I've finally got a solid opinion formed on it. beer with me; this is kinda long, but I really need to vent this out. Also, before reading this rant, keep in mind that I was introduced to FMA through the first anime series, and I read the manga afterwards. So unlike a lot of fans, I haven't gone through the frustration of reading the original epic stories and then watching something that goes in a completely different direction.
Manga enthusiasts, don't kill me...but I've tried to give Brotherhood a chance. I've tried SO...