
The scripted drama, inspired by the personal experiences of Dr. J. Allen Hynek (played by “Game of Thrones” alum Aidan Gillen) amid the top-secret military investigations into UFOs and related phenomena in the 1950s and 60s, debuted on the network last month.
The first few episodes have averaged a total of 3.4 million viewers for History, with three days of delayed viewing factored in.
“We are believers in ‘Project Blue Book’ and so is our audience who has sparked a conversation about the hundreds of unsolved cases and our nation’s military response to UFOs that have remained relatively secret until now,” said Eli Lehrer, head of programming for History, said in a statement.