SeaScope - 1998 Sumo 1-35 was released on:
USA: 1998
American Sumo - 2006 - TV was released on: USA: 1 May 2006
Robot Sumo - 2010 was released on: USA: April 2010 Germany: June 2011
The Awesomes - 2013 No Mo' Sumo 1-4 was released on: USA: 15 August 2013
Character Fantasy - 2006 Sumo Wrestler Fantasy was released on: USA: 1 September 2007
Survivor - 2000 Sumo at Sea - 10.4 was released on: USA: 10 March 2005 Hungary: 28 October 2006
VeggieTales - 1993 Sumo of the Opera 1-7 was released on: USA: 14 October 2006 USA: 20 October 2006
National Geographic Explorer - 1985 Inside Sumo 22-10 was released on: USA: 30 January 2008
Mr- T and Tina - 1976 What Makes Sumo Run 1-3 was released on: USA: 16 October 1976
Nick Freno Licensed Teacher - 1996 Sumo Like It Hot 1-15 was released on: USA: 29 January 1997
Hi Hi Puffy AmiYumi - 2004 Jungle Prom Truth or Dare Sumo Kaz 3-8 was released on: USA: 2006
In Japanese, there is no visible indication, it is determined by the context. He was a sumo wrestler. There were ten sumo in that stable.
What English-speakers think of when they say "sumo" (i.e. heavyset men wrestling) is also called "sumo" in Japanese. Basically, sumo is sumo!