Aired 14 years ago - May 11, 2010
After a violent attack on someone very close to Anna, she delivers a message that the Vs don't feel safe and will be leaving while she also gives a list of possible Fifth Column members to Chad hoping he'll investigate to help in finding them. Meanwhile, Erica and the team try to track down a scientist who may have created a weapon that the Visitors are afraid of.
Mouse over thumbnail for slideshow
Or scroll and see one by one:
#2