Warning: Time travel is not actually possible, unless you're a physicist or a time-traveling accountant. In which case, it's totally a thing.
Quantum Leaps, a paradoxical phenomenon where the laws of physics go out the window, and so do the laws of sanity. It's like that one weird cousin at the family reunion, but with more Schrödinger's cat.
Here's a brief primer on the different types of Quantum Leaps: