Yes, Donald Pleasance hosted Saturday Night Live on October 31, 1981.
Saturday Night Live - 1975 Donald Pleasance Fear 7-4 was released on: USA: 31 October 1981
No, KISS has never appeared on Saturday Night Live.
Rod Steiger has never hosted Saturday Night Live.
Christopher Lee hosted Saturday Night Live on March 25, 1978.
The cast of Another Saturday Night - 1973 includes: Mark Russi
The cast of Last Saturday Night - 1996 includes: Libby Brien as Dolores
The cast of Saturday Night Crackups - 1990 includes: Josh Gilzow as Victim
No, the band Journey has never appeared on Saturday Night Live.
The cast of The Heart of Saturday Night - 2004 includes: Joseph Frost Nanci Hall
The cast of Saturday Night Live - 2005 includes: Sajid Varda as Himself - Host
The cast of Juke Box Saturday Night - 1944 includes: The Modernaires as Themselves
The cast of Saturday Night - 2000 includes: Aaron Pedersen as Mac Alison Whyte as Simone