Complex sentence: Cinetel became Scripps Productions, but producing more than 30 programs simultaneously was too daunting, and former CBS television executive Ed Spray was brought in and the system implemented to produce (nearly all) programming through independent production houses around the US.
Split into simpler sentences: Cinetel became Scripps Productions, but producing more than 30 programs simultaneously proved daunting. The organization brought in former CBS television executive Ed Spray and implemented a system implemented of producing (nearly all) programming through independent production houses around the US.