Songs from Gravity FETCH!, Ruff Over Yonder and Ruff Ruffman: Part-Time Hero

These are the songs from Ruff Ruffman crossovers with Gravity Falls, Wander Over Yonder and Penn Zero: Part Time Hero, matched with all twenty-six Thomas Stories from Season 3.

Gravity FETCH!

 * 1) Sometimes by Britney Spears
 * 2) I Want It That Way by Backstreet Boys
 * 3) This Time Around by Hanson
 * 4) Bump In The Night by All-Stars
 * 5) Come On Over by Christina Aguilera
 * 6) You Got It (a.k.a. The Right Stuff) by New Kids on the Block
 * 7) Us Against The World by Play
 * 8) Bye Bye Bye by N'SYNC

Ruff Over Yonder

 * 1) I Can't Get No Satisfaction by Britney Spears
 * 2) Behind These Hazel Eyes by Kelly Clarkson
 * 3) We've Got It Going On by Backstreet Boys
 * 4) Upside Down by A*Teens
 * 5) Our Day Will Come by Christina Aguilera
 * 6) Tearing Up My Heart by N'SYNC
 * 7) Americano by Lady Gaga
 * 8) I Must Not Chase The Boys by Play

Ruff Ruffman: Part-Time Hero

 * 1) Bombastic Love by Britney Spears
 * 2) Because of You by Kelly Clarkson
 * 3) A Little Bit by Jessica Simpson
 * 4) Shape of My Heart by Backstreet Boys
 * 5) Step by Step by New Kids on the Block
 * 6) What A Girl Wants by Christina Aguilera
 * 7) Girlfriend by Avril Lavigne
 * 8) Alejandro by Lady Gaga
 * 9) Slamming Kinda Love by A*Teens
 * 10) It's Gonna Be Me by N'SYNC