Let's face it: Building a truly elaborate alien costume costs money, more than the budget will safely allow. However, Rubber Forehead Aliens, cheap as they are, just won't cut it forever. One safe way to get around the latter problem is to suggest that while on the outside they're exactly the same, on the inside of your alien, anything goes. If you were to dissect the average TV alien, it would look like someone had torn a squid apart and stapled it to the remnants of a rump roast. Examples of Human Outside, Alien Inside include: