It’s the kind of high-flying banner we wish we’d see more of in Chelsea. For 20 years, Intermezzo has been serving up traditional Italian cuisine (grilled sea bass served over lemon asparagus risotto is a customer favorite). Their actual anniversary was observed earlier this year — but show them some love by stopping by and taking advantage of the Prix Fixe lunch ($8.95, Mon.-Fri., 12-4 p.m. with a pre-theater Prix Fixe for $14.95 (Mon.-Fri., 5-6:30 p.m.).