Treehouse Clean-Up is the 42nd episode from Season 3 of Barney & Friends It first aired in March 13, 1997.
When Baby Bop accidently makes a mess in the treehouse, her, Barney, B.J, and the kids clean it up.
- Baby Bop
- Barney Theme Song
- The More We Work Together
- A Silly Hat
- The Library
- Castles So High
- We Are Little Robots
- Wild West Medley: Get Along Little Dogies/Home on the Range/Buffalo Gals
- The Clean-Up Clock
- I Love You
- Barney has his Season 3 voice and Late 1993/1994-1997 costume.
- B.J. has his Season 3 voice and Late 1995/1996-1997 costume.
- Baby Bop has her Season 2-3 voice and Late 1995/1996-1997 costume.
- The Barney costume from "Barney's Talent Show" is used.
- The musical arrangements from "Waiting for Mr. MacRooney" are used.
- The Season 2-3 Barney doll from "Hoo's in the Forest?" is used.
- The Season 4-6 Barney & Friends Set is used.
- Another time Baby Bop makes a mess.
- The musical arrangement for Clean Up was also heard in "Play Ball!".
- The musical arrangement for "The More We Get Together" was also heard in "First Day of School".
- The musical arrangement for "A Silly Hat" was silimar to the musical arrangement from "Hidden Treasures".
- The musical arrangement of "The Library" was silimar to the musical arrangement from "Books are Fun!".
- The musical arrangement of "Castles So High" was a mix of the musical arrangements from "Once Upon a Time" and "Let's Build Together".
- The musical arrangement of "We Are Little Robots" was also heard in "Barney's Big Surprise".
- The musical arrangement for "Wild West Medley" was a mix of the Run, Jump, Skip and Sing musical arrangement and a Season 4 twist.
- The Season 4 version of I Love You is used.