Oscar want Felix to invest in a new invention created by his dentist – barnacle glue in S4 E13, “A Barnacle Adventure”.  Topic covered include the careers of the multiple guest stars including Val Avery who plays Dr. Elmo Most; Ted’s naïve wonderment at how they did the bowling ball / pencil gag; how Oscar wants to invest in the glue without using any of his own money; how Felix becomes President of the company when Elmo has the most money invested; the great presentation scene; and how barnacles are inspiring use of adhesives in the medical field in 2021.