The series' themes are not limited to films or television, having also incorporated historical events and figures.

Its lyrics, as transcribed, were clearly intended to be in contention for the series theme.

Perhaps the predominant religious component is the series' theme: the human survivors' search for Earth.

Also included is the disco version of the series theme which was heard in the episode Cliffhangers.

An updated version of the original series theme.

Real Love) used as the series' theme song.

The series theme is music, which are prominent to the names of the Cures and the magical devices they use.

These episodes were stripped of the series theme, open and close.

Geoff Johns has identified the series' central theme as emotion.

Reeve also provided the voice of the lift girl used in the series theme.