Complex sentence: The Awards ceremony was Shown on BBC1 from 1988 to 2000 then later on Channel 4 from 2001-2005 during 2004-2005 it was renamed to T4 Smash Hits Poll Winners Party.
Split into simpler sentences: The awards ceremony was shown on BBC1 from 1988 to 2000 then later on Channel 4 from 2001 to 2005. During 2004 and 2005 it was renamed to T4 Smash Hits Poll Winners Party.