Season 4
Saturday Night Live aired its fourth season during the 1978–1979 television season on NBC. The fourth season started on October 7, 1978 and ended on May 26, 1979. The season four DVD was released on December 2, 2008. The entire cast from the previous season returned. This would be the final season for Dan Aykroyd and John Belushi. Aykroyd and Belushi left to work on The Blues Brothers film.
Episodes
1 The Rolling Stones Oct 7, 1978 
2 Fred Willard/Devo Oct 14, 1978 
3 Frank Zappa Oct 21, 1978 
4 Steve Martin/Van Morrison Nov 4, 1978 
5 Buck Henry/The Grateful Dead Nov 11, 1978 
6 Carrie Fisher/The Blues Brothers Nov 18, 1978 
7 Walter Matthau/Garrett Morris Dec 2, 1978 
8 Eric Idle/Kate Bush Dec 9, 1978 
9 Elliott Gould/Peter Tosh with Mick Jagger Dec 16, 1978 
10 Michael Palin/The Doobie Brothers Jan 27, 1979 
11 Cicely Tyson/Talking Heads Feb 10, 1979 
12 Rick Nelson/Judy Collins Feb 17, 1979 
13 Kate Jackson/Delbert McClinton Feb 24, 1979 
14 Gary Busey/Gary Busey with Rick Danko and Paul Butterfield, Eubie Blake Mar 10, 1979 
15 Margot Kidder/The Chieftains Mar 17, 1979 
16 Richard Benjamin/Rickie Lee Jones Apr 7, 1979 
17 Milton Berle/Ornette Coleman Apr 14, 1979 
18 Michael Palin/James Taylor May 12, 1979 
19 Maureen Stapleton/Linda Ronstadt, Phoebe Snow May 19, 1979 
20 Buck Henry/Bette Midler May 26, 1979