Prairie Surf Studios (originally Myriad Convention Center and later Cox Convention Center) is a film production complex located in downtown Oklahoma City, Oklahoma. It was formerly a convention center and the home of several minor league teams.

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The facility, known as the Myriad Convention Center, originally was the centerpiece of Oklahoma City's first major urban renewal project, the Pei Plan. In addition to the Convention Center, the project included the removal of blighted sections of the southern downtown area. The project also began the process for the design and construction of the Myriad Botanical Gardens, located directly west of the Myriad. As the Myriad, the facility received a major renovation and expansion. The US$55.8 million project was designed by Glover Bode. Flintco, who served as the renovation's general contractor, began construction in June 1997. The work was completed in August 1999.

It was later named Cox Convention Center via sponsorship with telecommunications company Cox Communications. The facility's primary use was that of large-scale convention and meeting space. It also hosted major concerts, conferences, and other large-scale events. The complex houses multiple meeting rooms, conference and convention space, dining halls, and a 15,000-seat multi-purpose arena. When it opened in 1972, it replaced the Oklahoma State Fair Arena as Oklahoma City's main indoor sports and concert venue. It would retain this status for 30 years until the opening of the Ford Center (now the Paycom Center) in 2002 directly across the street.

As the Cox Convention Center, the facility received another upgrade, budgeted at $4.5 million, to accommodate the Edmonton Oilers' top farm team, the Oklahoma City Barons, which began play in the 2010–11 season.

The arena was home to Oklahoma City Blazers hockey in the 1970s, another Blazers team from 1992 to 2002, the Bricktown Brawlers Indoor Football League team, the Oklahoma City Barons of the American Hockey League, and the Oklahoma City Blue of the NBA G League. The Oklahoma City Cavalry played in the Continental Basketball Association at the convention center from 1990 to 1997. It was also home to the Professional Rodeo Cowboys Association's National Finals Rodeo from 1979 to 1984. The Cox Convention Center also hosted numerous state and college basketball events, including early rounds of the Men's NCAA basketball tournament and also the 2007 and 2009 Big 12 Women's Basketball Tournament and UFC Fight Night: Diaz vs. Guillard on September 16, 2009. The NCAA Men's Division I Indoor Track and Field Championships were held at the arena from 1986 to 1988.

Oklahoma City contracted with Prairie Surf Media to take over the convention center space for sound stages and production offices for their film company. On January 1, 2021, the building was renamed Prairie Surf Studios.

The building became retrofitted into a film production studio in early 2021 under the ownership of Matt Payne and Rachel Cannon. The building has five sound stages, with its largest stage sitting at 35,000 square feet. The studio was used for some of the filming of Killers of the Flower Moon and the first season of Tulsa King. Other productions to take place at the studio include American Underdog and Twisters, amongst other productions.

In September 2023, Prairie Surf Studios launched a creative division that aims to create original projects with Oklahoma-based productions. Some of its first projects include a documentary about Clara Luper. Prairie Surf Creative's first feature film project, a documentary about The Manhattan Project called The Accelerator, debuted at the deadCENTER Film Festival in June 2024.

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Prior to the opening of the Ford Center, the Myriad was Oklahoma City's premier sports and entertainment venue.

WCW Thunder aired live from the Myriad Convention Center on February 12, 1998. The event can be viewed on the WWE Network.

• National Finals Rodeo (1979–1984)
• 1983 Billy Graham Oklahoma Crusade at the arena
• NBA and NHL exhibition games
• 1989 U.S. Olympic Festival events
• Boxing
• Tennis
• UFC Fight Night: Diaz vs. Guillard – September 16, 2009
• Indoor Track meets
• American Bycycle Association: Grand Nationals
• First and second-round games for the 1994 and 1998 NCAA Men's Division I Basketball Championship (Bryce Drew's famous buzzer beater took place here during the 1998 tournament)
• Talk show host Phil Donahue taped his show in the Great Hall of the Myriad for a week in 1981
• Pro Wrestling (Mid-South Wrestling, UWF, WWF and WCW)
• OKC Oilfield Expo
• It hosted the beatification of Stanley Rother on September 23, 2017, the first native-born American to be proclaimed a martyr of the Catholic Church.
• North American Youth Congress 2015 overflow seating was provided at the convention center after selling out the neighboring Chesapeake Energy Arena.

The Prairie Surf Studios is served by the Oklahoma City Streetcar at Century Center station.

Preceding station	EMBARK			Following station
Business District One-way operation		Downtown Loop		Bricktown Next clockwise
Myriad Gardens One-way operation		Bricktown Loop

• Prairie Surf Media official website

Events and tenants
Preceded by SpiritBank Event Center (as the Tulsa 66ers)	Home of the Oklahoma City Blue 2014–2020	Succeeded by TBD
Preceded by Rose Garden Arena	Home of the Oklahoma Wranglers 2000–2001	Succeeded by Franchise folded
Preceded by Ford Center	Home of the Oklahoma City Yard Dawgs 2009–2010	Succeeded by Franchise folded
Preceded by Rexall Place (as the Edmonton Road Runners)	Home of the Oklahoma City Barons 2010–2015	Succeeded by Rabobank Arena (as the Bakersfield Condors)