...but as they get in the doors of SCDP, Don is not feeling so great, and Peggy has to guide him to the bathroom. There's a funny moment when she pauses uncertainly in front of the restrooms, not sure which one to pick given their mixed company, but she opts for the men's room, which I think is the obvious choice for purely selfish reasons, given what's about to happen. Don staggers into a stall and retches rather loudly and profusely, and all I can say it's a good thing he uses so much Brylcreem, as it's obviating the need for Peggy to hold his hair back. As Don continues voiding his stomach, Peggy looks at the outside of the first stall, which reads, "For a good time, call Caroline." There's no number with it and it looks like someone who was seeing triple wrote it; throw in the required maturity level and all signs point to Roger. Once the tsunami has been downgraded to intermittent waves, Peggy asks if she can get Don water or toothpaste or anything, but someone calling her name from off-screen quickly diverts her attention...