of ShowBiz Pizza Place, while the other 20% was owned by CEI, which produced the chain's animatronics show, The Rock-afire Explosion. By September 1981, there were 48 company-owned outlets and 42 franchises. The company moved its headquarters to Irving, Texas in 1982. ShowBiz Pizza Time, Inc. In 1984, Chuck E. Cheese's Pizza Time Theatre filed for Chapter 11 bankruptcy, and its assets were purchased by ShowBiz parent company Brock Hotel Corp. The two operations merged, and the newly formed company was named ShowBiz Pizza Time, Inc. – a combination of the names of the previous two companies. However, both restaurant chains continued operating as separate entities. Richard M. Frank joined the company as president and chief operating officer in 1985. In 1986, he was named chairman and chief executive officer of the restaurant division. Based on customer research, Frank instituted a number of changes to appeal to younger children and parents. Specific measures included increased lighting, a redesigned food menu, table service, self-serve fountain drinks, a revamped ride selection, and distinct toddler areas, but relations between ShowBiz and Creative Engineering began to deteriorate. Aaron Fechter, founder of CEI and creator of The Rock-afire Explosion, would later claim in 2008 that the fallout was due to a demand by Showbiz to own CEI's licensing and copyrights to the animatronics show. Fechter says he refused, since Showbiz did not offer monetary compensation for the rights. Despite the refusal, CEI's creative control was jeopardized, as ShowBiz had the ability to program the characters and replicate their voices, allowing them to make changes to the skits. ShowBiz later returned the recording rights to Fechter following CEI's Liberty Show production (in commemoration of the Statue of Liberty's centennial in 1986), but they did not return the programming rights. In 1989, ShowBiz Pizza Time became a public company with its stock market launch. The following year, it severed all ties with CEI and began restructuring the restaurant chains under "Concept Unification". The change consisted of removing the Rock-afire Explosion animatronic show from their restaurants, and converting it into a new show called "Chuck E. Cheese & Munch's Make Believe Band", featuring the Chuck E. Cheese's Pizza Time Theatre characters. In addition, all ShowBiz Pizza locations in the U.S. were rebranded as Chuck E. Cheese's, effectively ending the "ShowBiz Pizza" brand. By 1992, the conversion was complete, and ShowBiz Pizza Time became known as CEC Entertainment, Inc.