One December day around Christmastime I am in the city of Las Vegas talking to Harry the Horse about this and that, when I hear this yarn about a citizen by the name of Murray Crown (Tom Arnold), who runs a clip joint which he prefers to call a casino. It seems that this Murray Crown not only has the John Laws breathing down his neck, but it is also a fact that he is married to this doll called Shirley (Katey Sagal), who is known far and wide as the green-eyed type.

It's a jungle out there for Blu, Jewel and their three kids after they're hurtled from Rio de Janeiro to the wilds of the Amazon. As Blu tries to fit in, he goes beak-to-beak with the vengeful Nigel, and meets the most fearsome adversary of all: his father-in-law.

Teenager Cleo's school science project goes quite awry, causing her popular older sister Molly to go invisible.

After their mother ends up in jail, two sisters turn to train robbery in order to support their family.

Oh takes it upon himself to introduce Christmas joy to his fellow Boovs. Unfortunately, his well-meaning mission nearly destroys the city.