Complex sentence: For his work on the series, Cranston won the Emmy Award for Outstanding Lead Actor in a Drama Series in each of the first three seasons of the show; only he and Bill Cosby have won the award three consecutive times.
Split into simpler sentences: For his work on the series, Cranston won the Emmy Award for lead actor in a drama series in each of the first three seasons of the show. Only he and Bill Cosby have won the award three consecutive times.