John Ross Ewing III (often referred as J. R. Ewing III in some countries) is a fictional character from American prime time soap opera, Dallas and the 2012 continuation series. The character was first written into the series in the episode named John Ewing III: Part 2 which first aired on April 6, 1979. Omri Katz prominently played the role in the series from 1983 until its conclusion in 1991 and the subsequent follow-up movie Dallas: J.R. Returns. In the continuation series, actor Josh Henderson stepped into the role. John Ross is the son and namesake of show's most iconic character, J.R. Ewing, and his longtime love, Sue Ellen Ewing.