When the Doctor changes the timeline, it's usually for a good reason.
Who says it's dark
This is a joke I came up with. Q: How many religious people does it take to change a light bulb? A: There's no need to change it when you can easily convince everyone that it still works, but they've gone blind.
The doctor had to heal-ium.
He lost his patience
Facebook produces too much plastics while r/jokes has 100% recycling rate.
Barry it.