Complex sentence: It is the fifth film in the Dr. Dolittle series and the third film in the series not to feature Eddie Murphy as Doctor Dolittle or Raven-Symoné as Charisse Dolittle though they have been mentioned in the film.
Split into simpler sentences: It is the fifth film in the Dr. Dolittle series. This is the third film in the series not to feature Eddie Murphy as Doctor Dolittle or Raven-Symoné as Charisse Dolittle though they have been mentioned in the film.