sentences:  He officially joined the cast of NBC's "Saturday Night Live" for the show's second season, following the departure of Chevy Chase.Murray was with "SNL" for three seasons from 1977 to 1980.A "Rutland Weekend Television" sketch Monty Python’s Eric Idle brought for his appearance on "SNL" developed into the 1978 mockumentary "All You Need Is Cash" with Murray (alongside other "SNL" cast members) appearing as "Bill Murray the K", a send-up of New York radio host Murray the K, in a segment of the film that is a parody of the Maysles Brothers's documentary "".