Larry Hagman was briefly replaced by Donna Reed for the 1984–1985 season, before Bel Geddes returned in better health for the 1985–1986 season. By the end of its 14th season in 1991, ratings had slipped to the extent that CBS decided to end "Dallas". Hagman was the only actor to appear in all 357 episodes. He had also made five guest appearances on the "Dallas" spin-off series "Knots Landing" in the early 1980s. Some years after "Dallas" ended, Hagman appeared in two subsequent "Dallas" television movies: "" in 1996, and "" in 1998. Hagman reprised his role as J.R. Ewing in TNT's
Larry Hagman School. One summer, he worked for oilfield-equipment maker Antelope Tool Company. Although his father wanted Hagman to become a lawyer and join his practice, he was drawn to drama classes and reportedly fell in love with the stage. He graduated from high school in 1949 and decided to pursue acting. Hagman began his career in 1950 acting in productions at Margaret Webster's school at The Woodstock Playhouse in Woodstock, New York. That summer, during a break from his one year at Bard College, he worked in Dallas as a production assistant and acting in small roles in Margo Jones's theater