Band Geeks is like the best episode ever of Spongebob. I've watched that many times, and my band watches it all the time too. It literally has one of the funniest stuff in it, and is even better if you're a band geek yourself.
I also really liked Doodle Bob, since it had some of Patrick's best quotes in it.
I have noticed that after the "old Spongebob", Patrick's quotes became less funny and more stupid. Like as Edo said, they became flat characters, and Patrick probably suffered the worse in terms of his dialogue. Like, back then he was stupid still, but he had amazing quotes that made it funny, instead of now where people laugh at him for making random noises and two-word brainless junk.
And I don't think I've ever seen the episode: The Paper. I literally have never seen it, even after reading a quick synopsis.
While it wasn't perfect, you can really tell how the show has deterriorated, and it's sad. I mean, once in awhile they'll have a new episode that is decent, but a lot of them have gone from being like Spongebob to just being like "Let's see how much we can try to make people throw up with a scene of Squidward's Hang nail".
Plus, the music is not even that good. "This Grill is Not a Home" is one of my favorite songs from the show (Ep: Welcome to the Chum Buckle) along with "It's a Sweet Victory" (Band Geeks), "Loop de Loop" (Your Shoe's Untied), "Texas/I wanna go home" (Texas), and a few others.