Horror History Horror Television Horror History: Sunday, May 2, 1999: “The X-Files” episode “Three of a Kind” premiered 4 Evil Eyes May 2, 1999 Season 6 Episode 20 Investigating a defense convention in Las Vegas, the Lone Gunmen encounter Susanne Modeski again and become entangled in another conspiracy. Source: JustWatch The X-Files (1993) Tags: horror Horror History The X-Files (1993) Three of a Kind Post navigation Previous Horror History: Sunday, April 25, 1999: “The X-Files” episode “The Unnatural” premieredNext Horror History: Friday, May 7, 1999: The Mummy was released in theaters Related Stories Horror History: Sunday, May 16, 1999: “The X-Files” episode “Biogenesis (1)” premiered Television Horror History Horror Horror History: Sunday, May 16, 1999: “The X-Files” episode “Biogenesis (1)” premiered May 16, 1999 Horror History: Sunday, May 9, 1999: “The X-Files” episode “Field Trip” premiered Horror History Horror Television Horror History: Sunday, May 9, 1999: “The X-Files” episode “Field Trip” premiered May 9, 1999 Horror History: Sunday, April 25, 1999: “The X-Files” episode “The Unnatural” premiered Horror History Horror Television Horror History: Sunday, April 25, 1999: “The X-Files” episode “The Unnatural” premiered April 25, 1999