Related Clues:

• Ganders
• Secret looks
• Spoils the surprise, in a way
• Cheats at hide-and-seek
• Cops a look
• Sneaks a look
• Looks beforehand
• Glimpses
• Surreptitious looks
• Furtive looks
• Quick looks
• They may be sneaked
• Takes an early look
• Looks from concealment
• Gets an early look