Possible Clues:

• "You don't say?"
• Are you sure?
• Is that right?
• Soldiers join forces? Indeed!
• 'Are you pulling my leg?'
• Certainly join forces again?
• Race about done, finally -- are you kidding?
• Freeview TV channel with content including medical and crime programmes
• Very competitive in the end entering car race
• Swallowing tablet, recover in truth