If you are doing a re-watch, you can knock out the entire Season 2 in one sitting (roughly 4.5 hours). If it is your first time, take a breath after Episode 31. You’ll need it. Enjoy the chaos, and remember: Shinzou wo sasageyo! (Dedicate your heart!)
That’s right. Season 2 consists of exactly (Episodes 26–37 overall).
A: Yes. The final episode (Episode 37) has a crucial mid-credits scene. Do not turn it off when the music starts. Watch until the very end. Final Verdict Season 2 of Attack on Titan has 12 episodes.