Sezon 21
Bölümler
1 The Ka-Ching! Dynasty 7 Şub 2012 2 A Bavarian Fairy Tale 14 Şub 2012 3 Girlpower! 21 Şub 2012 4 Meet the Frackers 28 Şub 2012 5 The Almighty's Dollar 6 Mar 2012 6 Building the Perfect Bug 13 Mar 2012 7 The Road to Mandalay 20 Mar 2012 8 They Paved Paradise 15 May 2012 9 Sayonara Baby 22 May 2012 10 The Real Great Escape 29 May 2012 11 Miss Tibet 5 Haz 2012 12 England Swings 12 Haz 2012 13 That Was Then This Is Now 19 Haz 2012 14 Globesity - Fat's New Frontier 24 Tem 2012 15 Wired 31 Tem 2012 16 The Wandering Souls 7 Ağu 2012 17 Two Hearts 14 Ağu 2012 18 Revenge of the Nerds 21 Ağu 2012 19 Lords of the Ring 28 Ağu 2012 20 Rise of the Machines 4 Eyl 2012 21 Tick, Tick, Boom! 23 Eki 2012 22 Adrenalin Nation 30 Eki 2012 23 Goin' Up Around the Bend - Truth, Votes and the American Way 6 Kas 2012 24 The Odyssey 13 Kas 2012 25 The Big Dig 20 Kas 2012 26 We Will Not Be Moved 27 Kas 2012