Season 4 poster

Season 4

22 episodes September 19, 1976

Episodes

1 The Return of Bigfoot (I) Sep 19, 1976 No ratings 2 Nightmare in the Sky Sep 26, 1976 No ratings 3 Double Trouble Oct 3, 1976 No ratings 4 The Most Dangerous Enemy Oct 17, 1976 No ratings 5 H+2+O = Death Oct 24, 1976 No ratings 6 Kill Oscar (II) Oct 31, 1976 No ratings 7 The Bionic Boy Nov 7, 1976 No ratings 8 Vulture of the Andes Nov 21, 1976 No ratings 9 The Thunderbird Connection Nov 28, 1976 No ratings 10 A Bionic Christmas Carol Dec 12, 1976 No ratings 11 Task Force Dec 19, 1976 No ratings 12 The Ultimate Imposter Jan 2, 1977 No ratings 13 Death Probe (1) Jan 9, 1977 No ratings 14 Death Probe (2) Jan 16, 1977 No ratings 15 Danny's Inferno Jan 23, 1977 No ratings 16 Fires of Hell Jan 30, 1977 No ratings 17 The Infiltrators Feb 6, 1977 No ratings 18 Carnival of Spies Feb 13, 1977 No ratings 19 U-509 Feb 20, 1977 No ratings 20 The Privacy of the Mind Feb 27, 1977 No ratings 21 To Catch the Eagle Mar 6, 1977 No ratings 22 The Ghostly Teletype Mar 13, 1977 No ratings