The Stooges � "1969″: The Stooges debuted in '69 with their classic self-titled LP, which featured this skull-crusher. "Another year for me and you, another year with nothing to do!" Well, there was nothing to do after June 3 of that year, at least if you were a Trekkie (a term which hadn't yet been coined): That was the date that the show was cancelled. Years later, in 1997, Stooges frontman Iggy Pop appeared on the third Trek series, Star Trek: Deep Space Nine, as Yelgrun, an "overseer" for the Dominion (those were the bad guys, for non-DS9 fans).

The Mamas & The Papas � "Monday Monday": Though Star Trek aired on Thursday nights at that time that "Monday Monday" hit No. 1 in 1966, there's a line here that rings true: "Can't trust that day!" Or at least NBC couldn't, moving the show to the dead zone of Friday nights instead of just cancelling it. The cancellation moment came two season later, with the show returning nearly 20 years later in 1987 via Star Trek: The Next Generation. And you know who was there? Mamas & Papas singer Michelle Phillips, who played Jenice Manheim (Captain Picard's ex-girlfriend) in the first season of the show. Boom. Circle complete.