Here's how you can help:
1. Download PGCDemux (either version) here: http://www.videohelp.com/software/PgcDemux
2. Put the DBox disc in your PC's DVD drive
3. Open PGCDemux and click 'Browse' as shown:

4. Navigate to your DVD drive, open the VIDEO_TS folder, and select the .IFO file with the largest filesize, as shown:

5. Take down four pieces of information:
- Which box and disc you are examining
- The .IFO you selected above
- With the "by PGC" radio button selected, the number of the longest PGC in the dropdown box -- in this screenshot, it's PGC #01
- With the "by VOB id" radio button selected, the numbers of the longest VIDs in the dropdown box -- in this screenshot, it's VIDs 9 through 15 (there is one for each episode on the disc)
Dragon Box 1: <none>
Dragon Box 2: <none>
Dragon Box 3: <none>
Dragon Box 4: <none>
Dragon Box 5: Already taken care of!
Dragon Box 6: <none>
Dragon Box 7: <none>
The first couple boxes are a little weirdly authored, so please let me know if you are confused at any point. Thanks for your help!