i watch ice agein the movie theater and i like the movie . spite of the fact that ice agehas many flaw and scientific error and like human and saber and dinosaur and mammoth live at the same period and and even the location of where the story pass ( look north america and but have some characteristic from iceland for example ) we can have fun even so . ( unless you be very severe . ) the planet be enter an ice age and and many animal be immigrate to the south where be warm . sid be a stupid sloth that be leave behind by his own family and that can not stand him any longer . walk in his way and he meet manfred and or how he call manny a moody mammoth who do not care about extinction or immigration and be go to the north . worry that he can easily be capture and sid decides to follow manfred and and in the middle of their journey and they find a human mother with her baby . the mother die but manfred and sid decides to take him and return the baby for the human . diego and one of the saber and decides to follow and help them to go to a shortcut to the human camp . what manfred and sid do not know and be that diego be from a saber clan who hat human and want to kill the baby and and also pretend to betray they both to make they become saber food . what will happen and will depend of diego behavior and conscience . aka a era do gelo brazil .