 In 2020, designer Robin Walker denied that the "Epistle 3" story had been Valve's plan for "Episode Three", and said that it was likely just one of many ideas by Laidlaw.Another episode was under development by Junction Point Studios, led by Warren Spector.According to Spector, the episode showed how Ravenholm became the town seen in "Half-Life 2", infested with headcrabs and zombies, and saw the return of the character of Father Grigori.