Polar Bears from the “Hello World!” episode featuring Christina Aguilera.
Polar Bears from the “Hello World!” episode featuring Christina Aguilera. Discovery Communications, Inc.
Polar Bears from the “Hello World!” episode featuring Christina Aguilera. Discovery Communications, Inc.

What to Watch on Saturday: Animals set to song in ‘Hello World’

July 09, 2016 06:00 AM

UPDATED July 06, 2016 12:47 PM

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