Question

How did of the radio version of The War of the Worlds warn the audience that the broadcast wasn't real?

Answer 1

Answer: Besides the actual announcement of the radio drama at the beginning, clearly expressing it was an adaptation of The War of the Worlds, there were some notices at some breaks to remind the audience that the broadcast wasn't real.

Answer 2

Answer:

By announcing before, during, and after the broadcast that the program was fictional.