- Lucy tries primal scream therapy; raises fee to six cents
- Schroeder goes "electric," Pete Seeger chases after him with an axe
- Russians launch surprise first strike, Linus and Lucy catch nuclear ash on their tongues
- Snoopy's Sopwith Camel is shot down over Hanoi; he later writes bestseller It Was a Dark and Stormy Tet
- Woodstock lands on monkey bars, then attacks Tippi Hedren
- Christmas play is cancelled; instead, Charlie Brown stages The Persecution and Assassination of Jean-Paul Marat as Performed by the Inmates of the Asylum of Charenton Under the Direction of the Marquis de Sade
- Original Dolly Madison snack cakes genetically engineered by Monsanto
- Violet trips on LSD-laced gingerbread men, thinks she's Mary Worth
- Pig-Pen joins commune, studies soil erosion
- When Peanuts gang skates, Charlie Brown is haunted by psychic vision that the ice is gonna break
- Adults' "wah wah" voices changed to Gershon Kingsley's Popcorn
- Marcie joins Hells Angels, becomes property of Peppermint Patty
- Santa Claus-Great Pumpkin Extreme Smackdown
- Linus sets himself on fire to protest persecution of Buddhists by South Vietnamese; Lucy turns his security blanket into a Nehru jacket; Sally, distraught, runs away to Canada with Franklin
- "Good grief" replaced by "The revolution will not be televised"
- Shermy kills Sharon Tate, claims he heard messages in Vince Guaraldi music
- Linus tells interviewer the Peanuts gang is more popular than Jesus
