Marina walks into their hideout where Julia is getting her first star tattoo in episode 1x02 "The Source of Magic". Quentin and Eliot find the safe house while tracking the stolen book in episode 1x03 "Consequences of Advanced Spellcasting". Julia and Marina talk about the putting the spell on Quentin and later Marina kicks Julia out after regaining her memories in episode 1x04 "The World in the Walls". Appears in 2 more episodes.
Julia shows Hannah her new safe house in episode 1x06 "Impractical Applications".