Season 1
Mar 2, 197413 episodes
Season 2
Nov 2, 197417 episodes
Season 3
Jan 3, 197620 episodes
Season 4
Jan 4, 197719 episodes
Season 5
Jan 3, 197821 episodes
Season 6
Jan 3, 197919 episodes
Season 7
Jan 14, 198020 episodes
Season 8
Jan 5, 198120 episodes
Season 9
Jan 9, 198219 episodes
Season 10
Jan 17, 198321 episodes
Season 11
Jan 16, 198420 episodes
Season 12
Jan 14, 198520 episodes
Season 13
Jan 20, 198621 episodes
Season 14
Jan 19, 198721 episodes
Season 15
Jan 18, 198822 episodes
Season 16
Jan 16, 198920 episodes
Season 17
Jan 8, 199020 episodes
Season 18
Jan 7, 199119 episodes
Season 19
Jan 13, 199220 episodes
Season 20
Jan 4, 199320 episodes
Season 21
Jan 17, 199420 episodes
Season 22
Jan 7, 199513 episodes
Season 23
Oct 9, 199519 episodes
Season 24
Sep 30, 199621 episodes
Season 25
Oct 6, 199720 episodes
Season 26
Oct 5, 199820 episodes
Season 27
Oct 4, 199921 episodes
Season 28
Oct 23, 200017 episodes
Season 29
Oct 1, 200117 episodes
Season 30
Sep 2, 200216 episodes
Season 31
Sep 29, 200318 episodes
Season 32
Sep 27, 200418 episodes
Season 33
Sep 19, 200520 episodes
Season 34
Sep 4, 200615 episodes
Season 35
Oct 8, 200717 episodes
Season 36
Oct 6, 200817 episodes
Season 37
Oct 5, 200918 episodes
Season 38
Oct 18, 201018 episodes
Season 39
Sep 6, 201119 episodes
Season 40
Oct 9, 201220 episodes
Season 41
Sep 10, 201322 episodes
Season 42
Sep 9, 201422 episodes
Season 43
Sep 15, 201522 episodes
Season 44
Sep 6, 201628 episodes
Season 45
Jan 9, 201823 episodes
Season 46
Jan 1, 201923 episodes
Season 47
Feb 4, 202016 episodes
Season 48
Jan 13, 202125 episodes
Season 49
Feb 1, 202219 episodes
Season 50
Jan 31, 202318 episodes
Season 51
Jan 30, 202418 episodes
Season 52
Jan 21, 202520 episodes
Season 53
Jan 20, 202618 episodes