Watch VoirFilms. 4. The JNT Years - Peter Davison and Colin Baker’s portrayals of the Doctor conceded with one of the most controversial periods of the programme’s history. Was the programme as good as it used to be… or just different? What did the production staff, both past and present, think? However, you’ll see lots of other personalities from other eras as we stop along the way to look at particular aspects of the programme.