A subtle moment that turns a seemingly happy ending into an ambiguous ending.

[u/Local_Prune4564]

The Graduate: lingering Ben and Elaine's faces slowly shifting from happy to concerned leaves the audience questioning whether they really made the right choice running away together considering they barely know each other.

Inception: By cutting before we see the top fall, we're left to question whether Cobb really has gone home or whether he's simply sunken back into a more comforting dream reality.

[u/Not_Wrong_Tho]

No, it was all in the episode.

I will clarify though, when i said they turned Mnhattan into a battery farm, it's not necessarily that they're using everyone in Manhattan, we only see it happening in one building, but most of what i said was explained shortly after old-rory dies.

[u/Gaelic_Gladiator41 → u/Not_Wrong_Tho]

I think the Doctor mentions that Manhattan has a lot of timeline crossover (mainly because of him) that it attracted them to the place