Eureka (2006 - Present): One Giant Leap

With the Astraeus countdown underway, Carter (Colin Ferguson) hopes Allison (Salli Richardson-Whitfield) and Kevin (Trevor Jackson) will decide to move in with him. Personal issues get shelved when Carter and Jo (Erica Cerra) investigate a mysterious attack on the presidential convoy. Initial clues point to super-environmentalist Dr. Plotkin (Dave Foley), but when cosmic anomalies start popping up all over town, Plotkin's radical research looks like it might save the day.

• Season 4, Episode 20: Your Truck Is Special