Watch Online Free HD Solarmovies. The Secrets of the Back to the Future Trilogy was a program hosted by Kirk Cameron. The show answered questions that Back to the Future fans sent in by letter. It was released onto videocassette in 1990 and as a bonus feature on the disc for Back to the Future Part III in the 2002 release of the Back to the Future trilogy. It is also available in the 2010 Blu-Ray trilogy.