Igor's lab of fear

Professor Igor tells the story of Taylor who, while on a school field trip looking for fossils, stole another student's wallet and buried it next to what looked like a fossilized shark fin--but when he came back the next day to retrieve the wallet he found that where there are fossil fins, there are also fossil teeth, and not all the sharks were entirely dead.

When three teenagers hear that the meteor they saw fall from the sky might be valuable, they each sneak back separately to grab a chunk--but this meteor is oozing with something else, and as they fight over a piece something terrible happens, and what is left of them afterward ends up in Professor Igor's lab.

Ethan is a champion at video games at the Crazy Clown Arcade, so when a strange boy suggests he try The Claw he thinks it will be easy--except that it seems like the game is rigged against him, and when he sneaks back after closing to claim the prize he should have won he gets a nasty surprise.

When Ned and Victor sneak into a science laboratory at night to explore, they enter a room with a sign saying "Special Science Team only" and find themselves locked in a labyrinth with a very, very large and hungry rat.