Continuity mistake: The Monarch has a massive tattoo on his back which not present afterwards.
Suggested correction: In the same episode he's shown in the shower washing it off. It was temporary and a nod to the movie Red Dragon.
Continuity mistake: Colonel Gathers says to Brock Samson, "You're not in the Marines anymore." But in the earlier episode, "Past Tense," after the credits, there is a flashback to college again and Brock says, "I'm off to join the Army"