Toby in Quarantine

Thomas vs. Diesel is the twenty-fifth episode of the first season of Thomas and Twilight Sparkle's Adventures Chronicles.

Plot
Devious Diesel challenged Thomas for a race.

Trivia

 * Twilight Sparkle, Percy, James, Toby, Emily, Gordon, Henry, Edward, The Logging Locos (Bash, Dash and Ferdinand), Luke, Charlie, Hiro, Paxton, Victor, Kevin, Stanley, Rosie, Applejack, Pinkie Pie, Rainbow Dash, Fluttershy, Rarity, Spike, The Cutie Mark Crusaders (Apple Bloom, Sweetie Belle and Scootaloo), Shining Armor, Princess Cadence, Heckle and Jeckle, Cool McCool, Sophie, Sky, Diesel 10, Discord, Queen Chrysalis, Team Galactic (Mars, Jupiter and Saturn) and the College of Crooks (The Owl, The Rattler, Jack-in-a-Box, Dr. Madcap, Greta Ghoul and Hurricane Harry) were starring in this episode.