IMDB Ratings by Season

The last post broke the ratings down by lead actor. By season the ratings break down thus:

 
Figure 1: IMDB weighted averages by season

A word of explanation of what I've used as a season is necessary. The Christmas specials were placed as appropriate, making such that in no season did the lead actor change (so the first special was placed in S1, but Capaldi's last special in S10). Other shorts and specials were placed as appropriate. The result is:
  • S1: none
  • S2: The Christmas Invasion
  • S3: The Runaway Bride and Time Crash
  • S4: The "five specials" (The Next Doctor through to The End of Time pt 2)
  • S5: none
  • S6: A Christmas Carol
  • S7: The Doctor, The Widow and The Wardrobe, Night of the Doctor, Day of the Doctor and Time of the Doctor
  • S8: none
  • S9: Last Christmas, The Doctor's Meditation and The Return of Doctor Mysterio
  • S10: Twice Upon a Time
  • S11: Resolution
  • S12: none yet (to later have Revolution of the Daleks added)
Now, as can be seen, S1 to S10 bumped around within quite normal boundaries. S2 is dragged down by three really poorly received episodes that until S11-12 were bottom ten of all time (Love and Monsters, Fear Her and The Idiot's Lantern). Most seasons until S11-12 had one clunker, with S4 being the exception; the top rating is due to having no bad episodes. Most usually had several really well received episodes.

S11-12 are different. Every single episode of these seasons is below the average for the whole reboot run. Currently only two score above a 7 (Fugitive of the Judoon and the Haunting of Villa Diodati), and thus avoid being labelled clunkers. These two episodes alone cause the slight uptick. However, experience of looking at the evolution of the ratings shows it maxes out in the first few hundred votes, and then drops. Both these episodes (and the whole of S12) has not yet come down to the final rating, and will likely fall by another few points (with a point being 0.1)

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