Episode 6: Heartland
Episode 7: Cities
Episode 8: Boom
Episode 9: Bust
Episode 10: WWII
Episode 11:Superpower
Episode 12: Millennium
http://wheat.cleburne.k12.tx.us/apps/video/list.jsp?orderby=popular&start=1
Episode 7: Cities
Episode 8: Boom
Episode 9: Bust
Episode 10: WWII
Episode 11:Superpower
Episode 12: Millennium
http://wheat.cleburne.k12.tx.us/apps/video/list.jsp?orderby=popular&start=1