Elmo and Mark Rober's Merry Giftmas

Elmo and his Sesame Street friends work with former NASA engineer turned YouTube star Mark Rober to make special presents for a Merry Giftmas exchange.

• Cast: Mark Rober, Bob Pflugfelder, Bam Singhasaneh, Ryan Dillon, Leslie Carrara-Rudolph, David Rudman, Eric Jacobson, Peter Linz