42718
Adapted , produced and directed by Dorothea Brooking , it was first broadcast on BBC 1 in seven 30-minute episodes .
 Dorothea Brooking, BBC 1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Dorothea Brooking, BBC 1