Here's Lucy - Season 3 Episode 1 Lucy Meets the Burtons

Richard Burton, the movie star, escapes riotous fans by wearing a plumber's disguise. Lucy Carter mistakes him for a much needed plumber. Sam (Burton), the plumber, escapes to the Carter household. Lucy later finds a remarkable diamond ring in his discarded over-alls. By the time Lucy discovers it is THE famous Elizabeth Taylor diamond ring, it is already stuck on her finger. The end result is a creshendo of comedy as Liz feverishly tries to get the ring off Lucy's finger. Ultimately, Lucy's arms are used as Liz Taylor's while Richard & Liz do a scheduled press conference.