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SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Michael Malarkey and Laura Mennell attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Michael Malarkey and Laura Mennell attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

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SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Michael Malarkey, Laura Mennell and Neal McDonough attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Michael Malarkey, Laura Mennell and Neal McDonough attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

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SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Aidan Gillen, Michael Malarkey and Laura Mennell attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Aidan Gillen, Michael Malarkey and Laura Mennell attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

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SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Aidan Gillen, Michael Malarkey and Laura Mennell attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

SAN DIEGO, CALIFORNIA - JULY 20: (L-R) Aidan Gillen, Michael Malarkey and Laura Mennell attend HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

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SAN DIEGO, CALIFORNIA - JULY 20: Neal McDonough attends HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)

SAN DIEGO, CALIFORNIA - JULY 20: Neal McDonough attends HISTORY's Project Blue Book SDCC Panel 2019 at Hilton San Diego Bayfront Hotel on July 20, 2019 in San Diego, California. (Photo by Joe Scarnici/Getty Images for HISTORY)