Related Clues:

• Pre-show ad
• Medium for a picture of Uncle Sam
• Theater sight
• Puzzling problem
• Ad to lure you in
• TV promo
• Puzzling question
• Promo, perhaps
• Brief trailer
• Fan club member's purchase
• Dorm room decoration
• Product come-on
• Little sample
• 'Coming up next' ad
• Curiosity-inducing ad