Belinda was the highlight of the episode. I think the slight bit of conflict with the Doctor really sets her apart. The fact she heard the Doctor do his usual "Oh look at this interesting mystery that I know you won't be able to resist" and she just rejected that, was fantastic. I hope they don't lose this aspect of her character.

As for the actual story, not so great. I think the incel villain would have worked better if he was a bit more built up. What we got was a quick line at the start and then suddenly there he was at the end. This would have fit better in a season where Belinda gets to return to Earth semi-regularly and we see an increasingly hostile boyfriend that she breaks up with, and eventually returns as this character. That'd have hit harder. As for what we got, it just didn't hit because I didn't care about their relationship.

The robots were cool and well designed, especially the polish bot, very cute. The way their weapons worked looked visually scary and reminded me of how Dalek weapons work.

Overall I think this is a pretty stock standard RTD opener, in that it feels more like an episode that belongs mid-season than at the start.