Listed as one of Debrah Farentino's credits.
A 'Eureka' poster is revealed in the One-Season-Later scene
The character Douglas Fargo is from Eureka.
Einstein-Rosen bridge as a "wormhole"
Fargo's game has items like the Dagger of Josefina (referencing deputy Josefina Lupo) and having to save Leena from the Carter Curse (referencing Sheriff Jack Carter).
Eureka is mentioned
Series is discussed.