Complex sentence: Written by Rob Grant and Doug Naylor, and directed by Ed Bye, the episode was the fourth in the series to be filmed, but was brought forward as Grant and Naylor felt that it was one of the better episodes.
Split into simpler sentences: Written by Rob Grant and Doug Naylor, and directed by Ed Bye. The episode was the fourth in the series to be filmed, but was brought forward as Grant and Naylor felt that it was one of the better episodes.