Simplify the following text for a Grade 11 native English-speaking person.
Original: With its twenty-second season ( 2010 â `` 2011 ) currently airing , the series has surpassed Gunsmoke in seasons to claim the spot as the longest-running American prime-time scripted television series .
Simplified: With its twentieth season ( 2008 â `` 2009 ) currently airing , the series is equal with Gunsmoke as the longest-running American primetime , scripted television series .