Complex sentence: Roach Studios' supervising director Leo McCarey, realizing the audience reaction to the two, began intentionally teaming them together, leading to the start of a Laurel and Hardy series later that year.
Split into simpler sentences: Roach Studios' supervising director Leo McCarey, realizing the audience reaction to the two, began intentionally teaming them together. This lead to the start of a Laurel and Hardy series later that year.