He later became famous for his work on a television series for children entitled Kocka, kocka, kockica (Cube, Cube, Cubelet) which was on the air for several decades on TV Belgrade.
In 1974, on Belgrade TV (Channel 1), Branko started the children's TV series Kocka, kocka, kockica (Cube, Cube, Cubelet).
[4] In 2003, several new episodes were released in order to try to revive the show, but it never reached the popularity of the original series.
[5] The episode first aired on April 26, 1978, and was co-written by Ibrahim Hadžić, Branko Miličević and Biserka Pejović.
[6] "The Snail" theatre was established in 1977 by Milićević and his wife Slobodanka (Caca) Aleksić.