Complex sentence: In this set, the first episode's unique opening theme is replaced by Campo's version that was used in the rest of the series, and some of the episodes use the abbreviated version of the opening credits that appeared in reruns on The Family Channel.
Split into simpler sentences: In this set, the unique opening theme used in the series premiere is replaced by Campo's version, which was used in the rest of the series. Also, some of the episodes use the abbreviated version of the opening credits that appeared in reruns on The Family Channel.