Penn & Teller: Fool Us (2011 ) A one-hour competition series celebrating magic and featuring the legendary duo Penn & Teller. On each of the nine episodes, aspiring magicians are invited to perform their best trick to try and fool the world-famous team. British television and radio personality Jonathan Ross serves as host. Illusionists Penn & Teller sit in the audience and watch as aspiring magicians try to impress them with a trick that the famous illusionists are unable to duplicate. If a magician successfully hoodwinks the legendary duo with a trick, be it a sleight-of-hand routine or a grand illusion, that person wins a trip to Las Vegas to perform as an opening act in Penn & Teller's show at the Rio Hotel & Casino. Actress Alyson Hannigan ("Buffy the Vampire Slayer"; "How I Met Your Mother") hosts the series.