| Contraception and abortion | 16 | May 30, 2012 |
| Lecture 10 | 17 | May 29, 2012 |
| Lecture 9 | 21 | May 29, 2012 |
| Lecture 11 | 2 | May 29, 2012 |
| Pregnancy and birth | 7 | May 29, 2012 |
| Lecture 11 | 18 | May 27, 2012 |
| Earthquakes and Mountain Building | 11 | April 13, 2012 |
| Minerals | 6 | April 12, 2012 |
| 570 review | 13 | March 14, 2012 |
| Verbs that change the stem vowel | 12 | March 13, 2012 |
| Preterite of stem-changing verbs | 16 | March 11, 2012 |
| Terms | 2 | March 11, 2012 |
| Definite time expressions | 9 | March 11, 2012 |
| Other words | 16 | March 11, 2012 |
| Places for recreation | 13 | March 11, 2012 |
| Sports | 28 | March 11, 2012 |