The Elven Ranger used his 1 spell (entangle) to capture several bad guys, then the next turn called out "Drop your weapons and surrender" (readied an action with his bow). One of the bad guys succeded his escape artist roll, and the ranger crit'ed him dead in one shot. The rest of the bad guys surrendered imediately.
The expresion of the Half-Elf Bard's player when she said "I have completed my quest."
When the goblin was told the rules of the Mounted Archery contest (no using magic enhance yourself) and walked off saying to himself, "They never said I couldn't use magic aganst the other compeditors."
When the head of security told the goblin, "I never said I would help you get it back, I just said come to me before you do anything that would force me to throw you out."
The Hotshot Elven Warrior kept saying that there was only 1 target for him, the one that would get him the most points.
And last but not least, when the rogue said, "Oh, he's not the elf I am searching for. I'm so glad I gathered information before I attacked him."