Christopher Walken has hosted Saturday Night Live six times as of April 27, 2008
Below is a list of the times he has hosted copied from http://www.celebratingchristopherwalken.com/snlshows.htm
Original Run Date: Musical Guest April 6, 2008: Panic at the Disco February 22, 2003: Foo Fighters May 19, 2001: Weezer April 8, 2000: Christina Aguilara January 13, 1996: Joan Osbourne October 24, 1992: Arrested Development January 20, 1990: Bonnie Raitt
Billy Crystal hosted Saturday Night Live twice, on 17 March 1984 and on 12 May 1984.
Hugh Jackman hosted Saturday Night Live on December 8, 2001.
William Shatner hosted Saturday Night Live on 20 December 1986, and Patrick Stewart hosted on 5 February 1994.
Saturday Night Live
Reese Witherspoon hosted Saturday Night Live on September 29, 2001, the first episode of Season 27.
George Clooney hosted Saturday Night Live on February 25, 1995.
Christopher Walken
Saturday Night Live The Best of Christopher Walken - 2004 TV was released on: USA: 7 September 2004
Saturday Night Live - 1975 Christopher Walken Joan Osborne 21-10 was released on: USA: 13 January 1996
Saturday Night Live - 1975 Christopher Walken Christina Aguilera 25-16 was released on: USA: 8 April 2000
Saturday Night Live - 1975 Christopher Walken Bonnie Raitt 15-11 was released on: USA: 20 January 1990
Christopher Lee hosted Saturday Night Live on March 25, 1978.
Christopher Lee, i believe it was
Saturday Night Live - 1975 Christopher Walken Panic at the Disco 33-9 was released on: USA: 5 April 2008 Sweden: 25 October 2008 (edited version)
Saturday Night Live - 1975 Christopher Walken Arrested Development 18-4 was released on: USA: 24 October 1992 UK: 28 November 1992 (edited version) Netherlands: 28 September 1996 (edited version)
The Continental sketch was a sketch part of Saturday Night Live starring Christopher Walken. The story was based on Walken's character who thought he was a ladies man but in truth ladies would always turn him down.
When Jason Seagull hosted last Saturday.
Peyton Manning hosted Saturday Night Live once - on March 24, 2007.