Well, that was a mess.

The episode (and the story) is over-stuffed. It introduces so many plot threads that go nowhere, and it wraps up Omega by... Going nowhere.

The wrong Rani was eaten. Mrs Flood is now a dead end, based on what The Giggle's novelisation said about bigeneration. You know, it's so fun when a classic character is brought back and then written out. Thankfully, she's a Time Lord, so we can have earlier Rani's return.

Omega, on the other hand... Introduced just for a cliffhanger that only works if you know who Omega is. And then they wrote a completely different character, with a completely different backstory. Omega isn't a god trapped in hell who wants to eat Time Lords. Omega is a scientist trapped in an antimatter universe. This wasn't for new fans, and it wasn't for old fans. Who was it for?

Then there's the ending. What a mess. Belinda's story wraps up with her being replaced by an alternative Belinda who was a mother all along. The character we spent time getting to know no longer exists. The regeneration feels tacked on, and I know that's because it was tacked on, but compare this to Twice Upon a Time, which was a tacked on extension to a regeneration. TUAT's regeneration feels drawn out, and you can tell when Twelve was meant to die in The Doctor Falls, but it still feels thematically tied in. TRW just feels like a left turn out of nowhere.

And then there's Billie Piper as... Well, we don't know. Ugh. Nostalgia bait. I'm not looking forward to series 16, when and if it happens.

At least Jodie's cameo appearance wasn't too bad, aside from continuing RTD's obsession with Time Lords having human binary genders (and based on The Star Beast, fitting into stereotypes about them, though I will be fair that this is not mentioned in TRW). Can we go back to Moffat's 'we're billions of years beyond your petty human obsession with gender and its associated stereotypes' please? As someone outside the binary, it does not feel good.