When Joffrey is choking on the floor, he points to Tyrion, who bends down and picks up the goblet. After he dies, Tyrion bends down and picks up the goblet again.
Joffrey pours wine on Tyrion's head, but in next scene his hair looks dry.
As Olenna speaks to Sansa and Tyrion at the wedding reception, her right hand is resting on Sansa's shoulder as Tyrion moves to his seat. In the next shot, her hands are clasped in front of her.