Upon seeing the Mark of Naga on Jeb (Christopher Pennock), Julia (Grayson Hall) begins to suspect that he is a Leviathan -- and that he is also the newest incarnation of the allegedly deceased Michael. Barnabas (Jonathan Frid) tells Maggie (Kathryn Leigh Scott) to keep Jeb away from the vulnerable Carolyn. This episode initially aired on January 27, 1970. ~ Hal Erickson, Rovi