Bargaining - S5-E21
Continuity mistake: When Juanita rushes down the stairs and goes outside the door, you can see that Gaby is holding a plate of leftover food in her left hand, but in the next shot the plate has suddenly changed into a bowl.
Bargaining - S5-E21
Continuity mistake: During the breakfast scene with Mike, Katherine and MJ at the start of the episode, the spoon in MJ's bowl of oatmeal changes position between shots.
Look Into Their Eyes and You See What They Know - S5-E19
Other mistake: In an earlier episode where Edie and Susan are driving Martha Huber's ashes to the lake to be spread, Edie gets a flat tire and Susan changes it. In this episode, all the girls are driving with Edie's ashes and they get a flat tire. Susan asks "Does anyone know how to change a flat tire?" Did she forget how?
Gabrielle: I feel a wave of morning sickness coming on, and I want to be standing on your mother's grave when it hits.
Trivia: Across Season 4: Two Lois Lanes appear together in this season: Teri Hatcher played Lois Lane in The Adventures of Lois and Clark and Dana Delaney voiced Lois Lane in Superman: The Animated Series and its follow-ups.
Answer: He was investigating the lead not the case.