SLC - Season 1, Episode 3 - Everybody Needs a Switzerland

Whitney goes to check out a venue for a party she's planning.  Later in the episode she throws the 20s themed party.
Still Open - Prohibition

Meredith and Mary (cod for both) go to dinner to talk about their kids and how Mary was basically forced to marry her step-grandfather.

Still Open - Table X

Heather hosts a party since like 25% of her staff is pregnant.

Still Open - Beauty Lab