Thomas the Tank Engine & Friends

The World's Strongest Engine (6x11)

Air date: Jan 20, 2003

Diesel is back after Henry has an accident, and annoys the other engines by boasting about how he is the world's strongest engine. To prove it, Diesel tries to pull 20 trucks at once, but they all have their brakes on and cause a coupling to break resulting in Diesel being launched down the yard...