There are exactly 2,000 switches on the abduction console.
When the man lies on the ground next to his bed, you can clearly see the little toy under the bed which is the main figure of one of Pixar's first short films Tin Toy (1988).
Director Gary Rydstrom declared that Mister B is named in honor of the schoolteacher who habitually grades with a B, regardless of student performance.
The transparent, bubbly interior of the aliens was inspired by the appearance of hair styling gel.
As Mister B nimbly corrects his student's muddle, his two arms appear to become six as they fly over the console. The action of each arm was the work of a different Pixar animator.