Three Lines, Three Corners From a chalk hopscotch board made of triangles, the kids explore the shapes around them. The triangle gets the most exposure, from rooftops to paper hats. Details Casts Galleries Posters Season Lists Title Three Lines, Three Corners Genres Comedy Family Kids Release Date 2002-10-18 Episode Runtime 00 Hours 30 Minutes Season Number 7 Episode Number 15 Production Companies HiT Entertainment David Joyner... Barney... Selena Gomez... Gianna... Bob West... Barney... Demi Lovato... Angela... Adrianne Kangas... Linda... Tory Green... Sarah... Zachary Souza... Mario... Danielle Vega... Kim... Jessica Hinojosa... Maria... Original Size (1440x810) Original Size (3840x2160) Original Size (563x750) Original Size (680x1000) Original Size (500x750) Original Size (500x750) Original Size (500x750) Original Size (500x750) Season 1 30 Episode(s) 1992-04-06 Season 2 18 Episode(s) 1993-09-27 Season 3 20 Episode(s) 1995-02-27 Season 4 20 Episode(s) 1997-11-17 Season 5 20 Episode(s) 1998-11-02 Season 6 20 Episode(s) 1999-11-01 Season 7 20 Episode(s) 2002-09-02 Season 8 20 Episode(s) 2003-09-15 Season 9 20 Episode(s) 2004-09-06 Season 10 40 Episode(s) 2006-09-18 Season 11 40 Episode(s) 2007-09-17 Season 12 10 Episode(s) 2008-09-15 Season 13 10 Episode(s) 2009-09-07 Season 14 20 Episode(s) 2010-10-04