Six weeks after leaving NBC, Reilly was hired as president of entertainment at Fox. The move reunited him with Peter Liguori whom he also worked with while at FX. Early in his tenure at Fox, Reilly developed and launched the J.J. Abrams thriller "Fringe", and Seth MacFarlane's "Family Guy" spinoff, "The Cleveland Show". He also was involved in the launch of Fox Inkubation, a joint venture with 20th Century Fox that provided funding to animators to create two-minute shorts that could eventually be developed into television pilots. Through the program, Justin Rioland first generated the concept for what would become the Adult Swim show "Rick and Morty."