Complex sentence: He did stunts for CBS's "Gunsmoke" in 1964 and appeared in an acting role as Josh Cutler in a 1966 episode of NBC's "Daniel Boone" with Fess Parker.
Split into simpler sentences: He did stunts for CBS's "Gunsmoke" in 1964. In 1966, Robbins played Josh Cutler in NBC's "Daniel Boone" with Fess Parker.