Season 1
9 episodesAVG 6.89
Best: E27 "Donna Mills, Eli Wallach, Bug Lady" (9.2)
Season 2
4 episodesAVG 7.95
Best: E177 "The Smothers Brothers, Norm MacDonald" (9.3)
Season 3
3 episodesAVG 8.53
Best: E132 "Norm MacDonald, Wayne Newton, Tracy Bonham" (9.3)
Season 4
7 episodesAVG 7.61
Best: E112 "Norm MacDonald, Courtney Thorne-Smith, Collective Soul" (9.4)
Season 5
6 episodesAVG 5.57
Best: E150 "Chris Elliott" (8.1)
Season 6
12 episodesAVG 6.57
Best: E6 "Martin Sheen, Alicia Witt, Local H" (9.0)
Season 7
10 episodesAVG 5.00
Best: E11 "Norm Macdonald, Sean Hayes" (9.3)
Season 9
1 episodesAVG 4.50
Best: E132 "Sarah Michelle Gellar, Larry Hagman, The Hives" (4.5)
Season 10
6 episodesAVG 6.05
Best: E79 "Carson Daly, Chris Elliot, Beck" (8.3)
Season 11
15 episodesAVG 5.37
Best: E22 "Norm MacDonald, Laura Prepon, Triumph the Insult Comic Dog" (9.2)
Season 12
17 episodesAVG 4.53
Best: E154 "Tim Robbins, Isla Fisher, Common" (7.5)
Season 13
22 episodesAVG 6.12
Best: E91 "Conan goes to Finland" (9.0)
Season 14
12 episodesAVG 6.40
Best: E136 "George Lucas, Will Arnett, Chris Isaak" (8.5)
Season 15
3 episodesAVG 7.73
Best: E25 "Joaquin Phoenix, Jim Gaffigan, Paramore" (8.0)
Season 16
10 episodesAVG 7.58
Best: E90 "Norm MacDonald, Gordon Ramsay, Levon Helm" (9.2)