If You Build It...

Summary

Eureka's teenagers who appear to have been manipulated while asleep, gathered in a field where they assembled a strange structure comprised of scrap metal and electronics.

Guest stars

• Niall Matter as Zane Donovan
• Vanya Asher as Lucas
• Christopher Jacot as Larry Haberman
• Jaime Ray Newman as Tess Fontana
• Eric Hempsall as Dr. Wyman
• Jennifer Crystal Foley as Tabitha
• Darryl Scheelar as Ranger Tom
• D. Harlan Cutshall as GD Demo Team Leader