Complex sentence: Bart tries to get in on the action, but he's too late--that is until he sees a 1930s Stutz Bearcat-style car drive past, sporting a beautiful hood ornament (a golden angel holding a globe, resembling an Emmy).
Split into simpler sentences: Bart tries to get in on the action, but he's too late. That is until he sees a' 30s Stutz Bearcat-style car drive past, sporting a beautiful hood ornament (a golden angel holding a globe, resembling an Emmy).