Linda's lack of undergarments is revealed as the survivors are preparing to climb the Christmas tree and Reverend Scott tells her she'll need to take off her long gown so she can make the climb. Her husband points out that she doesn't have anything on underneath the form-fitting sheath and Linda pipes up with her classic reply. HOWEVER, a few scenes later as the survivors are climbing upthe ventilation shaft, Linda's bra strap is clearly visible under the shirt she's now wearing.