The legendary improv and sketch comedy troupe rings in its 45th birthday with two nights of iconic sketches featuring cast members old and new. The show on Oct. 21 features troupe members from 1974-1999. Tonight’s show brings together some cherished performers who made this stage their home from 2000-2019, including Cheryl Hines of “Curb Your Enthusiasm,” Will Forte of “Last Man on Earth,” “Community” principal Jim Rash and many more. Arrive early for appetizers and drinks. Stay late for the champagne toast.