I Was Kidnapped by Lesbian Pirates from Outer Space/Headscratchers

"Megan Gedris: They're for a sixth sense I can't describe because humans don't have it."
 * What are the antenna for? Dos anyone know?
 * I think they're a reference to the kind of Rubber Forehead Aliens you would have seen in the comic books they are parodying. All aliens are human with a tiny feature to distinguish them, in the case of the Lesbians this is antennae.
 * Word of God has answered: