Complex sentence: Ultimate Alien episode "The Purge", where he was on a date with a human girl, disguised with an ID mask, but the Forever Knights catch him, ordering him to leave Earth, but he refused and was killed.
Split into simpler sentences: Ultimate Alien episode "The Purge", where he was on a date with a human girl, disguised with an ID mask. The Forever Knights catch him ordering him to leave Earth, but he refused and was killed.