JoAnna Garcia Swisher, Heather Headley, and Brooke Elliott can’t stop giggling thinking about the first scene of Sweet Magnolias Season 3, and it all has to do with…water?

, with the whole gang returning home from that ended with Cal’s (Justin Bruening) arrest. His lawyer, Helen (Headley), bails him out, and she, Maddie (Swisher), Dana Sue (Elliott), and sous chef/Helen’s beau Erik (Dion Johnstone) bring him home.

It’s a serious scene, which you can watch above, but there’s one specific element that has stuck with the star trio ever since they filmed it. In June, Swisher, Headley, and Elliott told Tudum that they couldn’t stop laughing while watching Elliott’s character fruitlessly try to comfort her friends with glasses of water during the tense scene. For whatever reason, Swisher forcefully declined — and that became a running joke.

Hydration is important, but is it that serious?...