The incidental track, titled simply "Rig 15", is included on the CD release of the Captain Scarlet soundtrack. "Fire at Rig 15" was the last episode of Captain Scarlet to be made featuring the original instrumental version of the series' closing theme music; subsequent episodes used a lyrical version sung by The Spectrum.
The supplementary track, known as "Rig 15", is part of the CD release for Captain Scarlet. "Fire at Rig 15" was the final episode to feature the original instrumental version of the series' closing theme music; later episodes used a lyrical version sung by The Spectrum.