A new mouth spray, designed to boost inteilgence is found to have some alarming side effects. The doctor must act quickly to unravel the truth before its to late.

A deadly virus has whiped out the world. Now the survivors face a battle for survival that will reveal the terrible truth about the virus

In an experiment to study a unusual comet Twilight inadvertently frees a parasitic entitty from its time loop prison. Now free once again Axos lands on equestria to begin its nutrition cycle