- January 1, 2000 (The final appearance of Linus and the last interaction between Charlie Brown and Peppermint Patty and Marcie. Rare strip in which the lettering was done by computer due to Charles M. Schulz's failing health)
- January 2, 2000 (The final appearances of Peppermint Patty and Marcie)
- January 3, 2000 (The last daily Peanuts comic strip. New Sunday strips would continue to appear until February 13, 2000)
- January 9, 2000 (The last interaction between Charlie Brown and Rerun and between Rerun and Snoopy)
- January 16, 2000 (The final appearance of Woodstock)
- January 23, 2000
- January 30, 2000 (The last strip without Charlie Brown and the final appearances of Rerun and the Little Pigtailed Girl)
| ← December 1999 | February 2000 → |
