Saturday morning block, citing a desire to focus its children's programming efforts exclusively on the Discovery Kids cable channel; in May of that year, NBC and Ion Media Networks unveiled a joint venture with Canada-based Corus Entertainment, Scholastic and Classic Media known as Qubo, which would aim to provide educational programming aimed at children between the ages of 4 and 8. The Qubo endeavor included a three-hour Saturday morning block on the network, which replaced Discovery Kids on NBC on September 9, 2006. Programming Although the Discovery Kids on NBC block regularly aired on Saturday mornings, affiliates in some parts of the country deferred certain programs within the lineup to Sunday morning timeslots to accommodate locally produced programs (such as weekend morning newscasts) or due to scheduling issues with regional or network sports broadcasts that start in time periods normally occupied by the block. Final Former See also Discovery Kids – a digital cable and satellite channel that operated from 1996 to 2010, and served as the programmer of the Discovery Kids on NBC block. Qubo – a successor block to Discovery Kids on NBC, which is now exclusive to a program block on Ion Television and a digital multicast network that pulled off the air in 2021. NBC Kids – children's programming block produced by Sprout that premiered on NBC in July 2012 and ended in September 2016. Telemundo Kids – The block consisted of Spanish dubs of various Sony Pictures Television and BRB Internacional series, divided across Sábados de Fantasía ("Fantasy Saturdays") and Domingos de Aventura ("Adventure Sundays") from October 6, 2001 to September 3, 2006. References National Broadcasting Company Television programming blocks Discovery Channel 2002 American television series debuts 2006 American television series endings