 In the premiere episode of the sixth season, the show took over the  time slot previously occupied by _"Seinfeld" (1990)_ (qv). The  episode opens with Frasier auditioning for a TV show after being  fired from his radio show, and his opening speech is a reference to  the acquisition of "Seinfeld"s slot: "Before we begin, Id like to  say how honored I am to be taking over this slot. Obviously, I have  some rather big shoes to fill 