‘…an accelerator, with protons colliding at massive speeds.’
‘So what?’
‘You have to be the dumbest intergalactic space time inspector I’ve worked with -it caused an unstoppable chain reaction, and destroyed that solar system.’
‘So.’
The third planet had sentient bipeds like us, which is why we need to stop the experiment -I hope we have the date right.
‘Why don’t we ask one of the humans?’
‘Don’t be daft -do you even know how time travel works?’
‘Of course, hang on, here comes one …excuse me, is this before or after the annihilation of humanity?’
‘BOUT TWO MONTHS BEFORE.’