An unreleased episode of Kakyuusei (1999) that was available on the 7th VHS/DVD. It is set in an alternate universe where Ai and Miko aren't the main heroines. It focuses on Tina's (an alien who can fly) love conquest of Tsuyoshi. Tina, along with several other characters featured, were absent from the main series.

Operation Victory Arrow is set in the period between the end of Operation Mars in the second television series and the 2012 Strike Witches movie. The three 30-minute short stories depict the lives of the members who returned to their respective homes. (Source: ANN)

Episode 0 of Seikaisuru Kado premiering on Amazon Prime.

An unreleased episode of Tekkaman Blade II, included on the Tekkaman Blade BD Box.