A lost rock mysteriously appears in the library, and he can't remember who he is or where he comes from. The lions then decide to set out and search for clues as to what book the rock belongs in.

When a mouse from a children's book becomes a hero, everyone in the library floods her with fan mail - which leaves Click the Computer mouse feeling unwanted.

Lionel plays a computer game called ""Farmer Ken's Puzzle"", in which he must figure out how to get a hen, cat, and bag of seed, across a river one at a time. When Leona wants to play, Lionel refuses to let her, claiming: ""The box says ages 7 and up! Not 4 and down.""

The lions try to stay awake at night, in order to see a meteor shower. Of course, this is not as easy as it sounds, as Theo says, ""Lions need a solid 22 hours of sleep a day!""

A Hopping Hen causes a mighty ruckus in the library, so the lions decide to put up ""No Hopping Hen Here"" signs, in order to stop the problem. But the problem is only beginning, because whoever printed the signs left off the word ""No""!

Cleo reads the cubs a bedtime story about a Queen who wants to be able to touch the moon, but can't. However, Leona is then unable to get to sleep without wanting to learn more about how the Queen can reach the moon.

Click the Mouse brings the Boy from the story ""The Boy Who Cried Wolf"" out of the storybook, so he can learn more about how to properly care for his sheep.

The famous Fuzzy Wuzzy Bear from the classic children's rhyme visits the library, where everyone is immediately caught up in ""Fuzzy Wuzzy Mania!"" Everyone except Lionel, because if he hears that danged rhyme once more, he's gonna scream!

Lionel wakes up one morning, much like he does every day, to find that overnight, he's grown a pair of antlers on his head! To help him feel better, Cleo reads him the book ""Imogene's Antlers"" - also about a kid who woke up one morning to find she had grown antlers. When Lionel is still feeling low, his parents try to come up with helpful ""uses"" for his antlers.

The lions learn about a real-life pirate named Ann Bonnie, after Lionel refuses to let Leona play pirates with him (claiming that there was no such thing as girl pirates).

Writer Babs Caplan visits the library, hoping to smooth out the bumps in her new book, called ""The Chap With Caps"". It's going to need more than just a little smoothing out - because it has no middle or end!

After reading the story ""Pandora's Box"", Lionel and Leona come across a similar-looking box, themselves, and wonder if they should open it or not. Apparently ignoring the moral of the story, they open it, and unleash a terrible thing to all the library patrons: Hiccups!

Lionel gets a few pointers on the technique of doing magic tricks, from the master magician Harry Houdini, himself. When he locks himself in the closet for his act, though, Leona fears that he's stuck in there, so she asks Click to come up with some magic words in order to get her brother out of the closet.

The Lions try to make Click laugh by reading jokes out of Theo's ""The Universal Encyclopedia of Fly Jokes"" book, only to find out from Click that computer pointing devices are not programmed for laughter. Can anything make her laugh?

Lionel and Leona read a book about a popcorn popper, and get the idea to take the popper out of the book and into the library, so they can pop all the popcorn they want.

Lionel and Leona learn about Eagles and Fish after reading Cliffhanger's latest adventure.

A sculpter named Pygmalion carves a statue of a woman, falls in love with her, and gives her a hug - only she can't hug him back. The Lions then try to help find ways for the statue to hug Pygmalion.

The naughty ram from the book ""The Ram in the Pepper Patch"" escapes into the library, where he proceeds to make a mess out of everything!

Babs Caplan comes to the library to create a fantastic tongue twister, with some help from the Lions. Then, Babs and Leona go head-to-head with the master of all Tongue Twisters, Lionel.

The Lions watch a video of a foreign film called ""Sausage Nose"", in which a poor couple receives three wishes from a wise old woman. Somehow, a sausage gets wished onto the wife's nose, and from there, the characters from the film come to the library looking for advice on what to spend their last wish on.

Leona makes her very own hat, with one red side and one green side. When she walks through the library with it on, one group of people see the green side, and the other group sees the red side, causing a great big argument among everyone!

A cute little duck from a cute little children's book becomes sick and tired of being cute all the time! With Lionel's help, the duck tries to become a rock-n-rollin' leather-clad rebel, but no matter how hard he tries, everyone still finds him so gosh darn cute.

Babs Caplan returns to the library to work on her new book called ""The Old Man"". Unfortunately, it has no middle or end to it! But with the Lions' help, Babs just might be able to rescue her masterpiece after all.

Lionel and Leona read a very sad story about a King and his friend, the Hawk. After, Leona wants to take and hide the book where no will be able to find it, so they can't read it and be sad like she was. Also, Theo sings about the greatness of reading sad, sad books.

Lionel and Leona try to convince Theo to show them his Lion-powered ""Mighty Roar that Makes them Run"", but Theo is reluctant to do so -- after all, they're in a library!