As Pippin (Benjamin Moncivaiz ’11) explores the various possibilities of sex, he is scared by the demanding presence of the lustful couple Fastrada (Carrie A. Lee ’10) and Lewis (Matthew Spencer G). The Musical Theatre Guild presents “Pippin” this Saturday, Dec. 1 at 8:00 p.m., this Sunday, Dec. 2 at 2:00 p.m. and Dec. 6–8 at 8 p.m. in La Sala de Puerto Rico.