| Issue | #21 |
| Published | June 1986 |
| Cover Price | 1.50 USD; 1.75 CAD |
| Pages | 36 |
| Editing | Jim Salicrup; Alan Philips (assistant) |
| Characters | The Doctor |
| Genre | science fiction |
| Pencils | Steve Parkhouse |
| Inks | Paul Neary |
| Colors | George Roussos |
| Characters | The Doctor |
| Genre | science fiction |
| Script | Steve Parkhouse |
| Pencils | Steve Parkhouse (part 3); Mick Austin (part 4) |
| Inks | Steve Parkhouse (part 3); Paul Neary (part 4) |
| Colors | Andy Yanchus |
| Editing | Alan McKenzie |
| Reprinted | From Doctor Who Monthly #72 - 73 |
| Genre | science fiction |
| Script | Patrick Daniel O'Neill |
| Colors | Andy Yanchus |
| Letters | typeset |
| Characters | Zygons |
| Genre | science fiction |
| Script | Maxwell Stockbridge |
| Pencils | Mick Austin |
| Inks | Mick Austin |
| Colors | Andy Yanchus |
| Editing | Alan McKenzie |
| Reprinted | From Doctor Who Monthly #58 |
| Genre | science fiction |
| Script | John Peel |
| Pencils | David Lloyd |
| Inks | David Lloyd |
| Colors | Andy Yanchus |
| Editing | Alan McKenzie |
| Reprinted | From Doctor Who Monthly #59 |