In 'Star Trek', what is the name of the starship commanded by Captain Kirk?

In 'Lost', what airline flight crashes on the island? In 'The X-Files', what are the names of the two FBI agents? In 'Twin Peaks', whose murder does Agent Dale Cooper investigate? In 'Buffy the Vampire Slayer', in which fictional town does Buffy live? Who played Captain James T. Kirk in the original 'Star Trek' series? Who played Spock in the original 'Star Trek' series? Who played Captain Jean-Luc Picard in 'Star Trek: The Next Generation'? What is the name of the time machine in 'Doctor Who'?