Plot: Manny (Romano), Sid (Leguizamo) and Diego (Leary) are back. By this point, the valley they live in has started to melt. When they learn their valley is about to flood, they team up to warn everyone. Now, as the flood looms closer, they must deal with a mammoth who thinks she’s a possum (Latifah) – not to mention a few nasty fish. Animated.