Harry Potter and the Prisoner of Azkaban (film)/Radar


 * As pointed out in this Cracked article (and many other places), during the credits, which are modeled after the Marauder's Map, there's a pair of students who (judging by the movements and shoe positions) are fairly obviously doing the nasty in a corner.
 * It also helps that if you look close the *ahem* outside pair of feet clearly squeeze in and out.