A few years ago, an alien invasion almost wiped out refugee humans from the Moon's secret base. The three heroes decided to join Time Travel and desperately try to save the survivors, but they didn't know that the sentinels were waiting for them.哨兵:高清下载哨兵评价高不高?(哨兵)放映日程哨兵:区域归属哨兵:剧情概要(哨兵)影视归档