The real highlight is the debut of the most original alien invasion concept in years – and Apple’s biggest hit ever: Pluribus ...

Gen. Gregory Guillot from the North American Aerospace Defense Command joins "GMA" to discuss how they track Santa's journey delivering presents and joy around the world.

"GMA" surprises Bryan Reisberg, who went viral for carrying around his corgi Maxine on subway rides and now carries adoptable dogs to boost their visibility.