Related Clues:

• At which time
• Question not asked in this puzzle's theme words
• 'Never heard of her'
• "Are you serious?!"
• "Never heard of her"
• "__ said so?"
• '___ Let the Dogs Out'
• Part of WTF
• Incredulous reply
• "__ Harry Met Sally..."
• '___ farted?'
• ''Say that again?''
• Detective's pronoun
• 'Excuse me?'
• A question of time 42. Neither 20-Down nor 26-Down