This was pretty good, but a little disappointing. Liz Shaw definitely feels severely underused (or maybe even just misused) from her time in the show. So it feels right to revisit her character for the Companion Chronicles. It's also cool because this is a Cyberman story with the Third Doctor.

I also didn't hate the structure of this plot, with sinister overtones around the dentist feeling very appropriate and taking advantage of the vulnerability inherent to such a situation. It seems creepy to me that a person could be infected that way and one could really play it up once Liz was infected for some real horror. Sadly, the story just doesn't quite feel like The Blue Tooth lives up to all these exciting aspects to it. The whole thing felt a little flat to me.

Caroline John did a decent job bringing the Third Doctor to life, though. It is always nice to hear her come back. The cybermats fit really well into the Third Doctor era, which is cool too. Otherwise though, it feels like it doesn't quite live up to what we were going for. There's no effort to really give any sense of closure to Liz Shaw's character and there's a certain lack of finality to it all, and I'm not a huge fan of how we end things as it is told through exposition, leading to a Chibnall-style smattering of our main character's agency.

On the whole, The Blue Tooth was fun but could have been a lot better.