| L22 Mandarin - NU Chinese Lesson 22 | 32 | June 6, 2011 |
| L21 Mandarin - NU Chinese Lesson 21 | 20 | June 6, 2011 |
| L20 Mandarin - NU Chinese Lesson 20 | 20 | May 15, 2011 |
| L19 Mandarin - NU Chinese Lesson 19 | 18 | May 8, 2011 |
| L17 NU Mandarin - Language in Use | 21 | May 2, 2011 |
| L18 Mandarin - NU Chinese Lesson 18 | 24 | April 24, 2011 |
| L17 Mandarin - NU Chinese Lesson 17 | 25 | April 17, 2011 |
| L16 Mandarin - NU Chinese Lesson 16 | 18 | April 9, 2011 |
| L5 Mandarin - NU Chinese Lesson 5 | 17 | April 3, 2011 |
| L4 Mandarin - NU Chinese Lesson 4 | 13 | April 3, 2011 |
| L15 Mandarin - NU Chinese Lesson 15 | 21 | April 3, 2011 |
| L3 Mandarin - NU Chinese Lesson 3 | 14 | March 27, 2011 |
| L2 Mandarin - NU Chinese Lesson 2 | 13 | March 27, 2011 |
| L1 Mandarin - NU Chinese Lesson 1 | 11 | March 27, 2011 |
| Measure words | 16 | March 7, 2011 |
| L10 Mandarin - NU Chinese Lesson 10 | 26 | March 7, 2011 |
| L11 Mandarin - NU Chinese Lesson 11 | 24 | March 6, 2011 |
| L12 Mandarin - NU Chinese Lesson 12 | 25 | March 6, 2011 |
| L14 Mandarin - NU Chinese Lesson 14 | 16 | March 5, 2011 |
| L13 Mandarin - NU Chinese Lesson 13 | 23 | February 27, 2011 |