Clarissa and her friend Olivia often share the same thoughts and tastes, so Olivia is convinced she's a psychic. Clarissa decides to have Olivia take a psychic test to prove her wrong.
Clarissa likes Clifford, but she isn't ready to go steady. He dates another girl who spreads a rumor that Clarissa is too fickle to commit. Clarissa decides to prove her wrong by going steady with another boy.
The annual family vacation to Lake Winnemucca is usually filled with doom and disaster. But this year is going to be different. . .the whole family is going to the Grand Canyon!
Clarissa goes to music class and the only instrument left is the flute. It used to be a drag to play but she's been playing effortlessly and beautifully. Mrs. Doppeldew, the music teacher, wants Clarissa to do a flute solo at next week's music recital.
Sam's mother, Debbie, is staying with the Darlings for a week during the Roller Derby playoffs. Personalities clash when Janet takes exception to Debbie's slovenly lifestyle.
Clarissa reluctantly agrees to babysit the neighbor's mischievous daughter, Elsie. Elsie proves too much for Clarissa to handle until Ferguson lends a hand.
Janet's a substitute teacher at Clarissa and Ferguson's school for two weeks. Clarissa feels it's cramping her style and is miserable when Janet is offered a permanent position.