Tadhana[a] (English: Destiny)[1] is a 1978 Philippine adult animated musical propaganda film written and directed by cartoonist Nonoy Marcelo in his directorial debut.

Claimed victory by the natives, Spanish explorer Miguel Lopez de Legazpi (Aviado) surrenders and came in agreement to make a peace treaty with a Bohol chieftain Datu Sikatuna under their blood oath.

In the Sandugo (One Blood) Art Exhibit, Legazpi and Sikatuna celebrate the disco alongside several people and mythological creatures (consisting manananggal and tikbalang, etc.)

[12] While writing and directed the film, he added his own interpretation of this history as a series of vignettes, including whimsical, satirical, sometimes subversive and particularly anti-clerical touches to the narrative.

[15][5][7] Following the immense success of Tadhana and the "turning point" of Philippine animation as a labor hub in the 1980s, it was initiative of broadcasting catered to a broad audience and embedded the film within the popular cultural milieu of the time.