PWG Anniversary Show

PWG Anniversary Show is an annual professional wrestling event produced by Pro Wrestling Guerrilla (PWG). This event is usually held in July every year to commemorate the anniversary of PWG's debut event on July 26, 2003. There have been only two instances where the event has been held in other months than July. The 2013 edition was held in August while the 2021 edition was held in September.

It is not specifically called the "anniversary show" and has undergone many names. The most common name is Threemendous, which was first used to celebrate the promotion's third anniversary in 2006. PWG has used this name for its anniversary events on a few more occasions.

2nd Annual PWG Bicentennial Birthday Extravaganza
The match between Aerial Express and Arrogance on night one was awarded the 2005 Southern California Match of the Year Award by SoCal Uncensored.

Giant-Size Annual #4
The match between Danielson and Generico was awarded the 2007 Southern California Match of the Year Award by SoCal Uncensored.

Threemendous III
The three-way match between Super Smash Brothers, Future Shock and Young Bucks was awarded the 2012 Southern California Match of the Year Award by SoCal Uncensored.

Ten
The three-way match between Young Bucks, Dojo Bros and Inner City Machine Guns was awarded the 2013 Southern California Match of the Year Award by SoCal Uncensored.

Sixteen
The luchador six-man tag team match pitting Bandido, Flamita and Rey Horus against Black Taurus, Laredo Kid and Puma King was awarded the 2019 Southern California Match of the Year Award by SoCal Uncensored.