海底大揭秘第三季是一部綜合評分2.0的美國電影。講述了 By scanning the locations at the bottom of the ocean where sunken ships, treasures and even cities lie, the show tries to answer what they look like, how they got there and if they hide any secrets. 故事雖說平淡，視覺效果也一般，不過角色之間的互動倒是挺自然的。
