BBC Productions (UK)
1st Logo (1974)
Logo: Just some simple text saying "A BBC/WGBH Co-production".
FX/SFX: None, unless you count the fade-out.
Music/Sounds: The closing theme for the program.
Availability: It was only seen on the Horizon/Nova episode "Fusion: The Energy Promise" which can be seen here.
Editor's Note: None.
2nd Logo (October 4, 1997- )