Behind Her Eyes
This was horrendously written before the twist(s), but Jesus fucking Christ then they came and this ready abysmal show completely plummeted.
A twist is not clever if the only reason it's a twist is because the omniscient writer intentionally obscures what's actually happening by having characters talk in riddles and dance around with vagaries.
Then the floating colourful orbs started floating about and I wanted to cry. What a bunch of toss.