Marcel the Shell's Alamo Drafthouse PSA gets sweet with its shushing

Marcel the Shell with Shoes On (voiced by Jenny Slate) is here to tell you not to talk or text when you go to a movie theater.

As part of Alamo Drafthouse's latest moviegoing PSA, the sweet stop-motion shell asks audiences to please not talk while watching a movie. However, he says if someone forgets and starts talking, a...