Joanna tries to approach the black SUV after photographing an industrial pond but it drives away. Later, Billy convinces Ben Matheson to let them drill a sample well in episode 1x03 "Still Waters". Joanna serves Ben Matheson with the lawsuit against his company in episode 1x04 "Family Ties". Billy, Joanna, and Molly head inside for the depositions in episode 1x06 "Devil in the Desert". Appears in 2 more episodes.