In this episode, Claire, Mindi and Joe are joined by Jack Culkin\u2019s mustache\u2026 and\u2026 John himself!\xa0\xa0\nBefore digging into the Brown Bag and answering your questions about the ionosphere, expressionless hamsters and teeth flossing, Jack's mustache has a lot to say!\xa0\xa0Prepare to get hairy! Just press play to find out all that ensues!