It's a Living S01E10 - Our Man Barry

After attending a Hollywood party in which both ladies had a good time, Dot and Vicky discover that they are dating the same man that they met at the party.  When Vicky starts dating the man in question whom Dot went out with previously, Dot gets jealous at Vicky, which creates some heated friction between the two coworkers which almost ends their friendship.  Meanwhile, both Cassie and Jan are forced to lose weight by Nancy when both waitresses are found to have gained a few pounds over the weight requirement for work at Above The Top.