| « Season 8 | Season 9 (Episode Guide) (With Recaps) | |
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| Season 9 | (Add Episode) |
Episode # ![]() |
Airdate | Title | Rating | |
| 1131 | 9x01 | 07/Jan/2013 | Jimmy Wales | 8 |
| 1132 | 9x02 | 08/Jan/2013 | Chris Kluwe | 8 |
| 1133 | 9x03 | 09/Jan/2013 | Neil Shubin | 9 |
| 1134 | 9x04 | 10/Jan/2013 | Ben Gibbard | 6 |
| 1135 | 9x05 | 14/Jan/2013 | Piers Morgan | 8 |
| 1136 | 9x06 | 15/Jan/2013 | Jared Diamond | 8 |
| 1137 | 9x07 | 16/Jan/2013 | Tom Brokaw | 8 |
| 1138 | 9x08 | 17/Jan/2013 | Akhil Reed Amar | 8 |
| 1139 | 9x09 | 21/Jan/2013 | Ta-Nehisi Coates | 7 |
| 1140 | 9x10 | 22/Jan/2013 | Kathryn Bigelow | 8 |
| 1141 | 9x11 | 23/Jan/2013 | Sally Field | 9 |
| 1142 | 9x12 | 24/Jan/2013 | Tavi Gevinson | 7 |
| 1143 | 9x13 | 28/Jan/2013 | Michael Shellenberger | 7 |
| 1144 | 9x14 | 29/Jan/2013 | George Saunders | 8 |
| 1145 | 9x15 | 30/Jan/2013 | Bill Gates | 8 |
| 1146 | 9x16 | 31/Jan/2013 | Matthew Guerrieri | 8 |
| 1147 | 9x17 | 04/Feb/2013 | Justice Sonia Sotomayor | 8 |
| 1148 | 9x18 | 05/Feb/2013 | Julie Andrews | 8 |
| 1149 | 9x19 | 06/Feb/2013 | Lawrence Wright | 9 |
| 1150 | 9x20 | 07/Feb/2013 | Behn Zeitlin | 7 |
| 1151 | 9x21 | 11/Feb/2013 | Garry Wills | 7 |
| 1152 | 9x22 | 12/Feb/2013 | Roger Hodge | 8 |
| 1153 | 9x23 | 13/Feb/2013 | Dave Grohl | 8 |
| 1154 | 9x24 | 14/Feb/2013 | Gavin Newsom | 9 |
| 1155 | 9x25 | 19/Feb/2013 | Emily Bazelon | 8 |
| 1156 | 9x26 | 20/Feb/2013 | David Goldhill | 7 |
| 1157 | 9x27 | 21/Feb/2013 | Lil Buck | 8 |
| 1158 | 9x28 | 25/Feb/2013 | Simon Garfield | 8 |
| 1159 | 9x29 | 26/Feb/2013 | Dr. Michio Kaku | 7 |
| 1160 | 9x30 | 27/Feb/2013 | Paola Antonelli | 8 |
| 1161 | 9x31 | 28/Feb/2013 | Obama speechwriter Jon Favreau | 8 |
| 1162 | 9x32 | 04/Mar/2013 | Kirk Bloodsworth | 8 |
| 1163 | 9x33 | 05/Mar/2013 | James Franco | 8 |
| 1164 | 9x34 | 06/Mar/2013 | Brendan O'Connell | 8 |
| 1165 | 9x35 | 07/Mar/2013 | John Sexton | 7 |
| 1166 | 9x36 | 25/Mar/2013 | Junot Diaz | 8 |
| 1167 | 9x37 | 26/Mar/2013 | Dr. Eric Topol | 10 |
| 1168 | 9x38 | 27/Mar/2013 | Carl Edgar Blake II | 8 |
| 1169 | 9x39 | 28/Mar/2013 | Dr. Robert Lustig | 8 |
| 1170 | 9x40 | 01/Apr/2013 | Sigourney Weaver | 8 |
| 1171 | 9x41 | 02/Apr/2013 | Jim McGreevey | 7 |
| 1172 | 9x42 | 03/Apr/2013 | A.C. Grayling | 8 |
| 1173 | 9x43 | 04/Apr/2013 | Dr. Francis Collins | 8 |
| 1174 | 9x44 | 08/Apr/2013 | Bill Clinton | 8 |
| 1175 | 9x45 | 09/Apr/2013 | Charlie LeDuff | 7 |
| 1176 | 9x46 | 10/Apr/2013 | Shane Smith | 7 |
| 1177 | 9x47 | 11/Apr/2013 | Cass Sunstein | 7 |
| 1178 | 9x48 | 16/Apr/2013 | Caroline Kennedy | 7 |
| 1179 | 9x49 | 17/Apr/2013 | Alan Cumming | 9 |
| 1180 | 9x50 | 18/Apr/2013 | Richard Engel | 7 |
| 1181 | 9x51 | 22/Apr/2013 | Michael Pollan | 8 |
| 1182 | 9x52 | 23/Apr/2013 | Eric Schmidt | 9 |
| 1183 | 9x53 | 24/Apr/2013 | Danica Patrick | 7 |
| 1184 | 9x54 | 25/Apr/2013 | Bishop Gene Robinson | N/A |
| 1185 | 9x55 | 29/Apr/2013 | Iggy & the Stooges | 7 |
| 1186 | 9x56 | 30/Apr/2013 | Evan Spiegel & Bobby Murphy | N/A |
| 1187 | 9x57 | 01/May/2013 | Macklemore & Ryan Lewis | N/A |
| 1188 | 9x58 | 02/May/2013 | Ben Kingsley | N/A |
| 1189 | 9x59 | 06/May/2013 | Robert Caro | N/A |
| 1190 | 9x60 | 07/May/2013 | Douglas Rushkoff | N/A |
| 1191 | 9x61 | 08/May/2013 | Dr. Richard Besser | N/A |
| 1192 | 9x62 | 09/May/2013 | Jennifer Egan, Baz Luhrmann | N/A |
| 1193 | 9x63 | 13/May/2013 | Jessica Buchanan & Erik Landemalm | N/A |
| 1194 | 9x64 | 14/May/2013 | Dan Brown | N/A |
| 1195 | 9x65 | 15/May/2013 | Cyndi Lauper | N/A |
| 1196 | 9x66 | 16/May/2013 | Dr. Daniel Lieberman | N/A |
| 1197 | 9x67 | 20/May/2013 | David Sassoon | N/A |
| 1198 | 9x68 | 21/May/2013 | Noah Feldman | N/A |
| 1199 | 9x69 | 22/May/2013 | The National | N/A |
| 1200 | 9x70 | 23/May/2013 | C.J. Chivers | N/A |
| 1201 | 9x71 | 03/Jun/2013 | Rep. John Dingell | N/A |
| 1202 | 9x72 | 04/Jun/2013 | Alex Gibney | N/A |
| 1203 | 9x73 | 05/Jun/2013 | Jonathan Alter | N/A |
| 1204 | 9x74 | 06/Jun/2013 | Stephen King, John Mellencamp, T Bone Burnett | N/A |
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