Related Clues:

• Steal a look
• Sly look
• Cheat at hide-and-seek
• Have a look-see
• Activity involving a keyhole, perhaps
• Sneak ___
• Act out of impatience, maybe
• Quick glance
• Curiosity-piquing ad
• Gander
• Movie ad
• Brief look
• Ad to entice you
• Mini-preview
• Pre-show ad