E1 - Racing to Power Up

Aired: August 24, 2006

E2 - Quake-Proofing an Icon

Aired: October 25, 2006

E3 - Roller Coaster

Aired: November 09, 2006

E4 - Mega Bridge

Aired: November 22, 2006

E5 - Moving Mountains

Aired: November 29, 2006

E6 - Madrid's Big Dig

Aired: January 10, 2007

E7 - Crossing Colorado

Aired: January 17, 2007

E8 - Sinking Wings

Aired: January 24, 2007

E9 - Extreme Elevation

Aired: January 31, 2007