20th Century Fox Television folded the operations of TV production companies purchased , decades later .
Decades later , TCFTV folded the operations of TV production companies it has acquired : Metromedia Producers Corporation in 1986 , New World Entertainment in 1997 , and MTM Enterprises in 1998 , and is the current distributor ( via its distribution division , 20th Television ) for most of the shows originally produced by these companies .
20th Century Fox Television