| TV-Episode Title | Release date | us | uk | aus | ger | can |
|---|---|---|---|---|---|---|
| ...If One of Them Is Dead | 14 | 68 | 8 | |||
| Dead Week | 26 | 81 | 18 | |||
| Enter the Professor | 27 | 20 | ||||
| Gespenstersonate | 81 | |||||
| Hook, Line and Booker | 36 | 21 | ||||
| Lie Together, Die Together | 34 | 22 | ||||
| Lost and Found | 24 | 95 | 18 | |||
| Pilot | 83 | 11 | 14 | 4 | ||
| Sex, Lies and Alibis | 15 | 54 | 5 | |||
| The Ghost Sonata | 15 | 90 | 10 | |||
| The Patchwork Girl | 20 | 78 | 11 | |||
| Willkommen an der BHU | 20 |