A boomerang returns after looping. A similar trick is possible in time. In time crystals — quantum systems that pulse without external fuel — a particle's probability wave first travels into the future and then comes back. Computer modeling revealed that the key to return is gentle chaos. The particle behaves like a boomerang thrown in many directions at once. It moves forward and backward simultaneously thanks to the superposition of paths. But without disorder, the routes are indistinguishable. Introduce a little chaos, and the wave interference cancels out the extra trajectories, highlighting the return path. On average, the probability bump always returns to the starting moment. Paradoxically, it is disorder that brings the boomerang back: in perfect order, the particle would leave forever. This effect connects the dual nature of particles with the time–energy uncertainty principle. And any measurement destroys the fragile time loop, causing decoherence of the superposition.