According to Bruce Kalish, the final line from the ambushed soldiers on Gamma IV was "They're not the same!" which was a reference to an attack by the A-Squad (although this would not be mentioned in-show).
A couple of boxes belonging to the alien thieves (Stench and Thresher) are marked with print labels, neatly applied, saying "Stenchs Loot."
This episode takes place in 2025.