Square One Television is an American children's television program produced by the Children's Television Workshop to teach mathematics and abstract mathematical concepts to young viewers. Created and broadcast by PBS in the United States from January 26, 1987 to November 6, 1992, the show was intended to address the math crisis among American schoolchildren. After the last episode aired, the show went into reruns until May 6, 1994. The show was revived for the 1995–1996 PBS season as a teacher instruction program, Square One TV Math Talk. Square One was also shown on the U.S. cable television channel Noggin in syndication beginning in 1999, but was removed from its lineup along with other Sesame Workshop shows on May 26, 2003.
Shining Time Station is an American children's television series co-created by Britt Allcroft and Rick Siggelkow. The series was produced by The Britt Allcroft Company and Quality Family Entertainment in New York for New York City PBS Station WNET, and was filmed first in New York City and then in Toronto. It incorporated sequences from the British TV show Thomas & Friends. The series aired on PBS from January 1989 to June 1993, but aired re-runs until 1997. It aired on Fox Family from 1998 to 1999. It also aired on Nick Jr. in 2000 and on Canadian TV networks such as APTN and SCN. Elements from the show were incorporated into the Thomas the Tank Engine film Thomas and the Magic Railroad.

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