Wait, Critical Role ended?

They just closed one chapter as far as I know. I believe they’ll be back but with new characters and a new storyline? *if anyone can correct me on this please do! I mean, I totally understand since when your player reach level 20 what more can you do? You have to have some epic bosses every time, otherwise the players easily overpower them. http://geekandsundry.com/critical-role-episode-115-the-chapter-closes/