And Then There Was Shawn

Plot
When an outburst between Kelsey and Cody escalates in Feeny's class, Cody, Kelsey, Shawn, Angela, and Kenny all end up in detention. Things begin to get weird when Feeny exits and "No One Gets Out Alive" appears on the chalkboard -- in blood. A thumping heartbeat is heard from the hallway, terrifying everyone in sight, but it is only Eric and Jack bouncing a basketball. They say that the school seemed very creepy, especially because there was blood coming out of the showers. Things escalate quickly, as the lights go out and when they come back on, Kenny is dead, the big pencil he tried to borrow earlier from Topanga stabbed through his head.

The first thing Shawn does is tell everyone that every door in the place is probably locked (according to horror movie logic). Everyone but him runs from door to door, trying and failing to open them. Suddenly, the lights flickers and a creepy songs plays over the PA system. Feeny appears, and everyone expects him to tell them his master plan. Feeny then falls onto his knees, dead from scissors to the back. They all run back into the classroom, terrified.

Immediately, Cody suspects the Creepy Janitor (not Janitor Bud). A squeaking is heard in the hallway, and everyone begins to cower. They go into the hallway, but only the janitor's garbage bin is there. Inside is the janitor's corpse. Out of suspects, Shawn concludes that one of them must be the killer. They elect Eric to stand in the hallway and be the watchman and everyone but Eric goes back to the classroom.

Alone in the hallway, Eric nervously hums to himself. A pretty girl, Jennifer Love Fefferman (played by Jennifer Love Hewitt) suddenly appears, and Eric knows that he should suspect her. As soon as she says she's innocent, Eric believes her. The rest go back into the hallway and the pay phone rings. It is the killer, saying he is gonna kill them all. Petrified, they all run away into the library.

In the library, Shawn suggests that they split up so the killer can't get to them all at once. Immediately, Feffy is killed under a pile of books. When Eric crouches to help her, he's killed under a pile of books. When Jack sees it, he becomes suicidal because he can't make rent. He runs out the the window ledge. Angela chases him out there, saying that between him and Shawn they can make rent. Just as they're about to go in, the killer shoves them over the ledge to their death. Finally, Cody, Shawn, and Topanga confront the killer. Cody asks why he's doing it, and the killer joins his and Topanga's hands. Shawn unmasks him, and the killer is Shawn as well.

Suddenly, Shawn wakes up from his nap in detention. He tells Feeny that it is all his fault. Cody and Kelsey tell him that their breakup isn't his fault, and Feeny decides their detention can end. During the tag, Feeny also has a dream. He dreams everyone in his class is excellent, except for Topanga, whom he stumped. He wakes up to his horrible class, talking and throwing paper airplanes, then holds his scissors up contemplatively.