Calvin Evans and Elizabeth Zott grow closer as they work on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

Madeline Evans Zott and Elizabeth Zott inquire about Calvin's past on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

Calvin Evans lectures about chemistry at Harvard University on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

Calvin Evans impresses Harriet Sloane and Charlie Sloane on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

Calvin Evans kisses Elizabeth Zott's cheek before a run on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

Calvin Evans has a tough moment in his lab at Hastings on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin"

Remsen leaves his office, masking his identity on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

Calvin Evans meets Charlie Sloane and his wife Harriet Sloane on Lessons In Chemistry Season 1 Episode 7, "Book Of Calvin".

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".

Elizabeth Zott introduces Walter to Fran Frask after hiring her 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".