Lucy sets a record by being crabby for a thousand days. Lucy asks if she is a crabby person. Snoopy sips from Lucy's straw without her knowing. The Easter Beagle hides eggs and Lucy misses out.

Lucy suggests whistling to cure Charlie Brown's sadness; Lucy wants to sulk in her beanbag chair; Sally's date with Linus does not go as planned.

"Pig-Pen" defends being covered in dust. "Pig-Pen"'s dust takes over the movie theater. "Pig-Pen"'s dirt may have history. Charlie Brown questions "Pig-Pen"'s appearance for Lucy's birthday party.

Charlie Brown just wants to be loved, and feel less depressed, but with a therapist like Lucy, it will not be easy. Peppermint Patty would like Charlie Brown to tell her about love, but is he the right person for that?

Sally is sent to summer camp. While riding on the bus, she meets Eudora. The two become friends with each other.

Peppermint Patty asks Charlie Brown for life advice. Lucy takes Charlie Brown's baseball bat. Lucy tells Linus to not stand close to her so no one knows they are related. Linus draws a picture of Lucy with a big mouth because she likes to yell. Lucy tells Linus that a little brother should do everything his sister tells him to do.

Lucy criticizes Linus' coloring; Linus draws in Lucy's book; Sally loans Woodstock her coloring book; Linus explains colors; Linus draws in the air.

Charlie Brown does not want to end a game due to bad weather; Peppermint Patty tries to teach Marcie how to play football; Charlie Brown bribes Snoopy with a manager title; Lucy questions jogging.

Lucy calls Linus stubborn; Lucy bothers Linus while watching TV; Linus explains his thumb rules; Lucy scrutinizes Linus TV viewing; Lucy wants her beanbag from Linus.

Charlie Brown is upset over not being tough; Charlie Brown wants Lucy to mess up while jumping rope; Lucy uses math to solve Charlie Brown's love troubles.

Snoopy must get Linus' security blanket back from a cat. Lucy has their Grandma come over because she does not like Linus' blanket. Linus makes a deal with Grandma to give up his blanket.

Linus is aware of his tongue; Linus leaves a tooth for the tooth fairy. Linus needs glasses. Linus does not trust Lucy. Linus claims he has magic fingers.

Lucy questions Schroeder's constant practicing. Lucy gets Schroeder a job playing dinner music; Peppermint Patty and Marcie attend a concert. Frieda complains to Schroeder about Lucy.

Lucy has everyone sign a document to void her of blame; Lucy is writing a book about Beethoven that is actually about her and Schroeder; Lucy finds Beethoven cute; Lucy starts a petition stating that Charlie Brown is crabby; Lucy discusses Beethoven's birthday.

Lucy buries Linus' security blanket. Linus cannot handle his blanket being gone. Snoopy finds Linus's blanket. Linus' blanket tries to attack Lucy; Lucy thinks Linus's blanket hates her.

Linus pats birds on the head; Linus and Lucy need a measles shot; Lucy does not like Linus's letter to Santa; Lucy wants Linus to break his blanket habit.