Get those DVRs ready because a battle of epic proportions will be fought on March 31st. That Sunday night marks the season finale of “The Walking Dead” airing directly opposite the season premiere of “Game of Thrones,” in a truly unprecedented aligning of overwhelmingly popular television shows. Someone check what the stars are doing on that Sunday night, because fate seems to be involved… or probably just television executives. “The Walking Dead” has delivered ratings gold for AMC all season long, and HBO’s fantasy drama could prove to be its stiffest competition yet. There’s an overview over at MTV Geek that can get you caught up on both shows before their upcoming Sunday showdown.