Harry Potter and the Prisoner of Azkaban (2004) It's Harry's third year at Hogwarts; not only does he have a new "Defense Against the Dark Arts" teacher, but there is also trouble brewing. Convicted murderer Sirius Black has escaped the Wizards' Prison and is coming after Harry.
This makes me laugh even though the Harry Potter nerd in me knows that's Blaise Zabini because Draco had to get a new friend because the actor who played Crabbe had to take a little break because he got caught smokin' the reefer.
I'd just like to point out that in HP's second year, when he's dueling his arch rival, Draco, he uses the spell to try and tickle his opponent in front of the whole school... Sounds smart! Not like Draco is one to try pulling a snake on you or anything!