After being shot by Aeryn, the Scaran is wounded on his left side, but as John stabs him with the icicle, the wound's moved to the right side. Then, as the Scaran convulses, the wound (and the icicle) is back on his left side. Then, when he drops, it's back on the right.
When Crichton and D'Argo are outside in the cold, Crichton says "Sounds like you got a plan" but his lips don't move.