Complex sentence: The first episode of the series was released on Newgrounds on August 21 2003, which quickly became popular, being viewed over 322,000 times and all the Waterman episodes I-XI, have been viewed 1.2 million times on Newgrounds alone.
Split into simpler sentences: The first episode of the series was released on Newgrounds on August 21 2003, which quickly became popular, being viewed over 322,000 times. The 9 Waterman episodes have been viewed 1.2 million times on Newgrounds alone.