Begotten is considered by Merhige himself as the start of an unofficial trilogy. There is a prologue to the intended second installment in the trilogy, which is the 14-minute short Din of Celestial Birds, which deals with evolution and premiered in 2006 on Turner Classic Movies, and was shot in similar visual fashion as Begotten.
Begotten

NR1h 12m5.61991

Watch Begotten

A haunting cinematic journey that delves into the collapse of faith, humanity's devastating impact on the environment, and the crushing despair of existence.

Din of Celestial Birds

14m6.32006

Watch Din of Celestial Birds

A captivating and thought-provoking cinematic journey explores the profound transformation of human consciousness.

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