In fact, the final scenes reveal a lot more of the interior alien mother ship and while those new scenes are spectacular (the new effects were designed by the underground artist Ron Cobb - but no credit is given) they are redundant to a degree and tends to drag. (scifimoviepage.com)
Not only is this not seen as alienating (although it often results in the undocumented parent being deported and never seeing her children again), but it is often recast as reprehensible conduct by alien mothers sufficient to constitute immigration fraud and be grounds for an annulment of the marriage. (thelizlibrary.org)
More common enemies include big, hideous spiders, giant robots, drones and alien mother ships just to name a few. (attackofthefanboy.com)