88303
The BBC believed that coverage of the assassination , as well as a series of power blackouts across the country , had caused many viewers to miss this introduction to a new series , and it was broadcast again on 30 November 1963 , just before episode two .
 BBC
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 BBC