One Small Step... (S04E19)

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? After turning down her chance to be on the Astraeus, Jo (Erica Cerra) begins to question what she really wants from her life. Titan-bound Zane (Niall Matter) is less than sympathetic but Taggart understands her need to find her own place in the world. Meanwhile, seeing their friends preparing for months of separation from each other, Carter and Allison (Salli Richardson-Whitfield) contemplate the next level in their relationship. During a routine shipment of supplies to the Astraeus landing site, a malfunction of the FTL technology strands Deputy Andy (Kavan Smith) on Titan. The emergency strains the shared mission command of Henry (Joe Morton) and Grace (Tembi Locke). While everyone scrambles to bring Andy home before he succumbs to the poisonous environment, Henry begins to doubt the wisdom of the mission itself. (iTunes)