Season 4 Details Casts Episode Lists of Season 4 Title Season 4 Genres Comedy Talk Air Date 1985-02-26 Episode Runtime 01 Hours 00 Minutes Season Number 4 Episode Count On Season 4 89 Production Companies Worldwide Pants, Carson Productions, NBC Productions David Letterman Self - Host Episode 2 1985-07-30 850730... Episode 3 1985-04-22 850422... Episode 4 1985-10-17 851017... Episode 5 1985-04-02 850402... Episode 6 1985-10-10 851010... Episode 7 1985-10-16 851016... Episode 8 1985-07-31 850731... Episode 9 1985-08-21 850821... Episode 10 1985-09-09 850909... Episode 11 1985-08-19 850819... Episode 12 1985-08-20 850820... Episode 13 1985-09-17 850917... Episode 14 1985-08-29 850829... Episode 15 1985-09-25 850925... Episode 16 1985-08-28 850828... Episode 17 1985-09-23 850923... Episode 18 1985-08-26 850826... Episode 19 1985-04-10 850410... Episode 20 1985-08-27 850827... Episode 21 1985-08-22 850822... Episode 22 1985-09-30 850930... Episode 23 1985-07-10 850710... Episode 24 1985-06-25 850625... Episode 25 1985-02-26 Show #0520... Episode 26 1985-05-06 Show #0545... Episode 27 1985-05-07 Show #0546... Episode 28 1985-05-08 Show #0547... Episode 29 1985-05-09 Show #0548... Episode 30 1985-05-13 Show #0549... Episode 31 1985-05-14 Show #0550... Episode 32 1985-05-15 Show #0551... Episode 33 1985-05-16 Show #0552... Episode 34 1985-05-20 Show #0553... Episode 35 1985-05-21 Show #0554... Episode 36 1985-05-22 Show #0555... Episode 37 1985-05-23 Show #0556... Episode 38 1985-05-27 Show #0557... Episode 39 1985-05-28 Show #0558... Episode 40 1985-05-29 Show #0559... Episode 41 1985-05-30 Show #0560... Episode 42 1985-06-03 Show #0561... Episode 43 1985-06-04 Show #0562... Episode 44 1985-06-05 Show #0563... Episode 45 1985-06-06 Show #0564... Episode 46 1985-06-10 Show #0565... Episode 47 1985-06-11 Show #0566... Episode 48 1985-06-12 Show #0567... Episode 49 1985-06-13 Show #0568... Episode 50 1985-06-17 Show #0569... Episode 51 1985-06-18 Show #0570... Episode 52 1985-06-19 Show #0571... Episode 53 1985-06-20 Show #0572... Episode 54 1985-11-04 Show #0622... Episode 55 1985-11-05 Show #0623... Episode 56 1985-11-06 Show #0624... Episode 57 1985-11-07 Show #0625... Episode 58 1985-11-11 Show #0626... Episode 59 1985-11-12 Show #0627... Episode 60 1985-11-13 Show #0628... Episode 61 1985-11-14 Show #0629... Episode 62 1985-11-18 Show #0630... Episode 63 1985-11-19 Show #0631... Episode 64 1985-11-20 Show #0632... Episode 65 1985-11-21 Show #0633... Episode 66 1985-11-26 Show #0634... Episode 67 1985-11-27 Show #0635... Episode 68 1985-12-09 Show #0636... Episode 69 1985-12-10 Show #0637... Episode 70 1985-12-11 Show #0638... Episode 71 1985-12-12 Show #0639... Episode 72 1985-12-16 Show #0640... Episode 73 1985-12-17 Show #0641... Episode 74 1985-12-18 Show #0642... Episode 75 1985-12-19 Show #0643... Episode 76 1985-12-23 Show #0644... Episode 77 1985-12-25 Show #0645... Episode 78 1985-12-26 Show #0646... Episode 79 1986-01-06 Show #0647... Episode 80 1986-01-07 Show #0648... Episode 81 1986-01-08 Show #0649... Episode 82 1986-01-09 Show #0650... Episode 83 1986-01-13 Show #0651... Episode 84 1986-01-14 Show #0652... Episode 85 1986-01-15 Show #0653... Episode 86 1986-01-16 Show #0654... Episode 87 1986-01-27 Show #0655... Episode 88 1986-01-28 Show #0656... Episode 89 1986-01-29 Show #0657... Episode 90 1986-01-30 Show #0658...
