Time Eaters

Following his father's suicide, Al and his best friend, Nick, devote their lives to building a time machine. When future versions of themselves begin popping up, they find it safe in concluding they've succeeded. However, when an endless army of time-traveling cannibals make an entrance, all the Als and Nicks of the myriad of timelines in the universe must do everything they can to reverse the apocalypse they may have accidentally started.