The Chimney's Secret - 1915 was released on:
USA: 25 August 1915
The Hermit's Secret - 1915 was released on: USA: 3 January 1915
The Strikers - 1915 was released on: USA: February 1915
The Stickleback - 1915 was released on: USA: April 1915
The Birthmark - 1915 was released on: USA: October 1915
The Famine - 1915 was released on: USA: 29 January 1915
Her Secret - 1915 was released on: USA: 6 September 1915
Their Secret - 1915 was released on: USA: 29 June 1915
Zandori's Secret - 1915 was released on: USA: January 1915
The Doctor's Secret - 1915 was released on: USA: August 1915
The Secret Code - 1915 was released on: USA: 4 August 1915
The Secret Well - 1915 was released on: USA: 2 June 1915
On Secret Service - 1915 was released on: USA: 5 November 1915
The Secret Message - 1915 was released on: USA: 17 December 1915
The Widow's Secret - 1915 was released on: USA: 15 December 1915
The Secret of the Cellar - 1915 was released on: USA: 24 July 1915
The Secret Orchard - 1915 was released on: USA: 9 August 1915
The Secret Formula - 1915 was released on: USA: 22 February 1915