episode    broadcast date run time  viewers (in millions)                 archive
0    part one  15 december 1973    24:15                    8.7  pal 2 colour videotape
1    part two  22 december 1973    24:10                    7.0  pal 2 colour videotape
2  part three  29 december 1973    23:30                    6.6  pal 2 colour videotape
3   part four    5 january 1974    24:57                   10.6  pal 2 colour videotape

Table as JSON:
{"episode":{"0":"part one","1":"part two","2":"part three","3":"part four"},"broadcast date":{"0":"15 december 1973","1":"22 december 1973","2":"29 december 1973","3":"5 january 1974"},"run time":{"0":"24:15","1":"24:10","2":"23:30","3":"24:57"},"viewers (in millions)":{"0":8.7,"1":7.0,"2":6.6,"3":10.6},"archive":{"0":"pal 2 colour videotape","1":"pal 2 colour videotape","2":"pal 2 colour videotape","3":"pal 2 colour videotape"}}