Pelekoudas worked in the World Series in 1966 and 1972, serving as crew chief the second time, and in the All-Star Game in 1961 (second game), 1967 and 1975. He also officiated in the National League Championship Series in 1969 and 1973. Pelekoudas umpired in a total of six no-hitters, although was not behind the plate for any of them.