Eureka (2006 - Present): One Small Step

While the Astraeus crew completes the final preparations for their mission, Carter (Colin Ferguson) and Taggart (Matt Frewer) try to find out who -- or what -- melted a cow belonging to a member of the crew. The issue grows in urgency when it becomes clear that the bovine is only the first victim. Has Dr. Parrish (Wil Wheaton), envious of the adventure that Fargo (Neil Grayston) and Holly (Felicia Day) are about to embark on, gone too far?

• Season 4, Episode 19: Congratulations