According to Yahoo TV, Haddie Braverman (Sarah Ramos) has been M.I.A. all season, but next week she's returning home from college for the Season 5 finale... with a new lady « friend » named Lauren (Tavi Gevinson).
Here is in preview an extract of the finale episode with the kiss:
Remain to be seen whether this story will be thereafter developed.
“Parenthood” season 5 finale will air Thursday, April 17 at 10 p.m. on NBC.