Star Trek can usually make rubber forehead aliens not just cool, but turn them into pop culture icons. Their five worst ...

"Star Wars" has a seemingly never-ending supply of alien designs. However, these five are the worst of the bunch, falling flat in their respective films.

Add Yahoo as a preferred source to see more of our stories on Google. Admiral Ackbar directing his troops in Star Wars: Return of the Jedi (1983) - Lucasfilm Controversial Star Wars details often ...