Castle (2009)

S3E9 Close Encounters of the Murderous Kind

Castle proposes that the death of an astrophysicist may be linked to alien abduction, especially after it's revealed that he died from explosive decompression. An esteemed expert on alien abductions joins the investigation, adding a layer of intrigue. However, their progress is hindered when a government agent steps in, attempting to put a stop to their inquiries.