(at around 10 mins) Galavant's sword got knocked out of his hand by the Princess the second time. He didn't pick it up and continued talking to the Princess. When the camera was back to Galavant, the sword was in his hand again and he leisurely inserted the sword vertically to the ground before turning away from the Princess.
When Gareth shows the king his room his earing changes ears from left to right back to left again.