article_snippet: Samuel Johnson returns to our screens after a three-year hiatus when Samuel Johnson unicycled around Australia .
article_snippet: Samuel Johnson spent time travelling around Australia on a unicycle raising money for cancer in honour of Samuel Johnson sister Connie .
article_snippet: Samuel Johnson has been absent from Australian TV screens for the past three years, spending most of that time raising money for his sister Connie by riding a unicycle 15,000km around the country, entering the Guinness Book of World Records in the process.
article_snippet: Samuel Johnson found fame in hit Australian series
article_snippet: Samuel Johnson broke a Guinness World Record for the most kilometres ridden on a unicycle .
highlights_snippet: Has been out of the acting game after Samuel Johnson rode around Australia on unicycle .
  
highlights_snippet: Samuel Johnson did it to raise money for brain cancer research in honour of Samuel Johnson sister .