Here is the PPV Calendar for WWE & TNA PPVs in 2008:

WWE

* Royal Rumble - January 27, 2008
Location: New York City, NY (Madison Square Garden)

* No Way Out - February 17, 2008
Location: Las Vegas, NV (Thomas & Mack Center)

* WrestleMania 24 - March 30, 2008
Location: Orlando, FL (The Citrus Bowl)

* Backlash - April 27, 2008
Location: Baltimore, MD (1st Mariner Arena)

* Judgment Day - May 18, 2008
Location: Omaha, NE (Qwest Center)

* One Night Stand - June 1, 2008
Location: San Diego, CA (San Diego Sports Arena)

* Vengeance - June 29, 2008
Location: Dallas, TX (American Airlines Center)

* The Great American Bash - July 20, 2008
Location: Uniondale, NY (Nassau Coliseum)

* SummerSlam - August 17, 2008
Location: Indianapolis, IN (Conseco Fieldhouse)

* Unforgiven - September 7, 2008
Location: Cleveland, OH (Quicken Loans Arena)

* No Mercy - October 5, 2008
Location: Portland, OR (Rose Garden)

* Cyber Sunday - October 26, 2008
Location: Phoenix, AZ (US Airways Center)

* Survivor Series - November 23, 2008
Location: Boston, MA (TD Banknorth Garden)

* Armageddon - December 21, 2008
Location: Buffalo, NY (HSBC Arena) 
 
 

TNA

TBA