Jenna is joined by comedy star and actor Tiffany Haddish as co-host for the day. The duo solves a few listeners’ tricky social situations in a special edition of “Tiff’s Tips.” Also, Sarah Michelle Gellar stops by to catch up, talk about some of her recent projects, and cook a delicious Mediterranean chicken quinoa salad recipe. Plus, Kate Biberdorf, aka Kate the Chemist, brings a few science demos for Jenna and Tiffany to try.