Possible Clues:

• ''Could be trouble!''
• "Trouble's coming"
• "This doesn't look good"
• 'That can't be good'
• Slip accompanier
• 'That's not good!'
• 'H-Houston -- half of it's broken -- we have a problem'
• Cry of trepidation
• "This isn't good"
• 'I've got a bad feeling about this'