Original sentence: Lister's pregnancy is not mentioned in any subsequent episodes (except briefly in the Series V episode "Demons and Angels"), but a summary of events occurring in the time elapsed between series two and three is included in the opening sequence of the first episode of series three; Backwards
Edited sentence: Lister's pregnancy is not mentioned in any subsequent episodes (except briefly in the Series V episode Demons and Angels), but a summary of events occurring in the time elapsed between series two and three is included in the opening sequence of the first episode of series three; Backwards