Complex sentence: On March 20,2012, a demo reel leaked on the internet, garnering 100,000 views in 24 hours, but NBCUniversal ordered it removed, saying it was not an official trailer.
Split into simpler sentences: On March 20,2012, a demo reel leaked on the internet, garnering 100,000 views in 24 hours. However, NBCUniversal ordered it removed, saying it was not an official trailer.