There's a mystery going on between the new basketball coach and the third-grade teacher, Mrs. Jeepers.

Ever since Eugene became their new neighbor, the third graders at Bailey Elementary School get everything they wish for. This all seems great... until their lives start to turn upside down.

Wondering at their weird new band teacher, the Bailey School kids are surprised when he comments that the classroom skeleton, Claude, can play music better than they can, and when everyone wonders who is playing the tuba, Eddie vows to find the truth.

There are some pretty weird grown-ups living in Bailey City. But could the substitute school secretary really be a gremlin messing up the electricity? The Bailey School kids are going to find out!

The students at the Bailey School are trying to find out if the new school nurse is really a Martian.

There's a hot new pizza joint in Bailey City and Mrs. Jeepers brings the kids there for a special treat. The castle-shaped building and medieval-style costumes on the waiters are fun, but when a rumble from the kitchen shakes the restaurant's foundations, the kids get suspicious. George, the owner, says his cook is temperamental and the earth-shaking fits he has are nothing unusual, but the kids are pretty sure the owner is St. George the dragon slayer...

The Bailey School soccer team hasn't had a lot of success, but their new coach seems like the woman to help whip them into shape. Coach Graves is a little rough around the edges, but she's good at what she does. That is until a strange old lady turns up at one of their practices. After that, Coach Graves has a vacant look in her eyes, mumbles and groans in response to the kids, and moves like she's back from the dead. Can the kids break the spell?...

The kids in the third grade at Bailey Elementary are so hard to handle that all of their teachers have quit. But their new teacher, Mrs. Jeepers, is different to say the least. She's just moved from the Transylvanian Alps and she seems to have some strange powers that help her deal with these mischief-makers. Her methods may be a little unconventional, but, then again, Mrs. Jeepers may be just what the Bailey School kids need.

When the art teacher disappears after a strange display of flashing lights, it looks like Bailey Elementary is in a bind. But, out of nowhere a mysterious and pale woman with silver-white hair and an unusual white outfit shows up to take her place. Soon after her arrival, the objects of Bailey City start to lose their color, but the new teacher seems to be getting more colorful every day. Can the Bailey School kids stop Bailey City from being washed...

The new gymnastics teacher likes cats, brooms, and funny rhymes, that sounds awfully close to spells. Could Miss Brewbaker really be a witch?