Elizabeth Zott introduces Walter to Fran Frask after hiring her on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Elizabeth Zott and Madeline Zott compare their memory boxes on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Elizabeth Zott and Fran Frask discuss the Supper At Six taping on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Harriet Sloane is disappointed in Elizabeth Zott on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Elizabeth Zott shocks Phil, Fran, and Walter during her Supper At Six taping on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Elizabeth Zott grocery shops through her stresses on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Elizabeth Zott discusses Supper At Six's new sponsor with Phil on Lessons In Chemistry Season 1 Episode 6, "Poirot".

Tensions surrounding the freeway come to a head on Lessons in Chemistry. "Poirot" is the sixth episode of the show's first season.