S04 Episode 1
The Return of Bigfoot
48 mins · Sun, 19 Sep 1976
S04 Episode 2
Nightmare in the Sky
43 mins · Sun, 26 Sep 1976
S04 Episode 3
Nightmare in the Sky
48 mins · Sun, 26 Sep 1976
S04 Episode 4
Double Trouble
47 mins · Sun, 3 Oct 1976
S04 Episode 5
The Most Dangerous Enemy
48 mins · Sun, 17 Oct 1976
S04 Episode 6
H Plus 2 Plus O Equals Death
48 mins · Sun, 24 Oct 1976
S04 Episode 7
The Bionic Boy
47 mins · Sun, 7 Nov 1976
S04 Episode 8
The Bionic Boy
47 mins · Sun, 7 Nov 1976
S04 Episode 9
Vulture of the Andes
47 mins · Sun, 21 Nov 1976
S04 Episode 10
The Thunderbird Connection
48 mins · Sun, 28 Nov 1976
S04 Episode 11
The Thunderbird Connection
48 mins · Sun, 28 Nov 1976
S04 Episode 12
A Bionic Christmas Carol
48 mins · Sun, 12 Dec 1976
S04 Episode 13
Task Force
48 mins · Sun, 19 Dec 1976
S04 Episode 14
The Ultimate Impostor
48 mins · Sun, 2 Jan 1977
S04 Episode 15
Danny's Inferno
43 mins · Sun, 23 Jan 1977
S04 Episode 16
Fires of Hell
43 mins · Sun, 30 Jan 1977
S04 Episode 17
Danny's Inferno
48 mins · Sun, 23 Jan 1977
S04 Episode 18
The Fires of Hell
48 mins · Sun, 30 Jan 1977
S04 Episode 19
The Infiltrators
48 mins · Sun, 6 Feb 1977
S04 Episode 20
Carnival of Spies
48 mins · Sun, 13 Feb 1977
S04 Episode 21
U-509
48 mins · Sun, 20 Feb 1977
S04 Episode 22
Privacy of the Mind
48 mins · Sun, 27 Feb 1977
S04 Episode 23
To Catch the Eagle
48 mins · Sun, 6 Mar 1977
S04 Episode 24
The Ghostly Teletype
47 mins · Sun, 15 May 1977
