Bli Sodot

Plasticine Animation clips, introducing the characters "Alphy" and "Betty", (a play on the Hebrew letters aleph and bet) were also featured.

As a singular channel, the show received extremely high ratings among children and was considered one of Israeli Educational Television's classics.

Its popularity led to a follow-up series called BeSod HaYinyanim (Hebrew: בסוד הענינים) between the years 1991-1992.

[2] Episodes of the show were usually constructed with a standardized structure, which included learning of two new letters with similar Niqqud (Hebrew orthography).

On top of the known sketches and characters there were also repeated segments on each chapter intended for memorization of the letter, and several of them became part of Israeli popular culture.