Related Clues:

• Last number in a countdown
• Four quarters
• Late-late hour
• Bedtime for some
• See 4-Down
• See 34-Across
• Ending of most odds
• Babe Ruth, on the Yankees
• One's successor
• Consolidated
• Wallet bill
• Unbroken
• Couple
• Word repeated in 'takes ___ to know ___'
• Seesaw necessity