The series focuses mainly on synonyms, phonics, and vocabulary, with each episode featuring an underlying theme illustrated with a wide variety of keywords.

When Helen fed Martha alphabet soup, the pasta letters somehow traveled to her brain rather than her stomach, giving her the ability to speak human words.

Starting with season 2, both Music Time with SteveSongs and Dot's Story Factory are replaced by a segment called Who's That Dog?

The series was executive-produced by WGBH employee Carol Greenwald (who first contacted Meddaugh during production of the PBS series Arthur)[1] and developed for television by Emmy Award-winning writer Kenneth "Ken" Scarborough (the head writer for shows such as Arthur and Doug).

Among other writers and screenwriters were Joe Fallon, Peter Hirsch, Kathy Waugh, Raye Lankford, Pippin Parker, Ron Holsey, Jessica Carleton, Matt Steinglass and Dietrich Smith.

[16][17] Actor Jon Hamm along with then-girlfriend Jennifer Westfeldt and their German Shepherd mix Cora were animated into cartoon versions of themselves for an episode as guest stars.

The series also aired on TVOKids in Canada, on Discovery Kids in Latin America, on Disney Junior in the Netherlands, on CBBC in the United Kingdom and on Nick Jr. in Australia and New Zealand.