my ideal beach episode would be set in s10 in the middle of MoC arc. Dean finally says fuck it and orders Sam and Cas to pack the bags, if he's gonna die a bloodthirsty murderer he might as well enjoy it. Charlie is there too. This is not ideal, you see, considering Sam and Cas are currently cracking their heads over the Book of the Damned. Sam also, as you might remember, has Rowena locked up in their Curse Breaking Dungeon. Unfortunately Dean will not take no for an answer, get your swimsuits we leave in ten. dean we don't have swimsuits. this is why we can't have nice things sammy.
Sam insists on taking two cars, which annoys Dean but he'll let it slide. Cue a comedic montage of Sam stuffing their witch stuff in the trunk trying to fit into the 3 minute timeframe of Dean going to take a leak before the road. Rowena inquires as to what's going on. Sam realizes he can't leave her unattended. He stuffs Rowena in the backseat. She's incredibly entertained. They stop to get gas and dean is like sam... what is she doing in your car. And Sam's like uhhhh. Uhhhhhhh. Um. And Rowena's like well he invited me dear! We didn't have much ideas for a honeymoon and this seemed like a great opportunity! And dean's like What. And Sam's like What. And Dean's like fuck it, I'm getting Crowley.
Of course, Crowley cannot pass down an invitation for a disastrous roadtrip that will go down im history. He ends up, yet again, sharing the backseat of the Impala with Castiel. Charlie has the shotgun. She feels progressively more like she's fourthwheeling a three way divorce. Meanwhile Rowena in Sam's car is trying to threaten him into killing Crowley while they're on vacation. Sam is still bluescreening over having to pretend to be dating a witch he kept chained up in a dungeon two hours ago.
Somewhere, the Stynes are getting psychic notifications that the Book is moving to California.