- Archive: Echo Satellite Watch the Echo inflation tests on May 4, 1960.
- Authentication Tips on how to authenticate a document by comparing handwriting.
- Exclusive Interview: Alan Bean Watch Gwen's exclusive interview about Alan Bean's journey from astronaut to artist.
- Extended Interview: Baseball player Max Manning An interview from History Detectives Season One, with baseball player Max Manning.
- Finger Printing Learn how fingerprinting technology has evolved; making matching fingerprints easier.
- Interview: Elyse and Howard Zinn We take a look back at Elyse Luray's conversation with Howard Zinn in 2006.
- On the road: Elyse and the Theremin Elyse Luray on the road for Season 8.
- On the Road: Gwen and the Lauste Film Diana Little gives advice on preserving home movies.
- On the Road: The Flying Detective Go behind the scenes of the Cromwell Dixon airplane fabric story.
- Painting Analysis Find out how to tell if your painting is an authentic piece of artwork.
- Textiles How to use textile analysis to identify and date a piece of fabric.
- Web Extra: A Theremin Performance Rob Schwimmer plays Waltz for Clara on his theremin.
- Web Extra: Bosko the Talk Ink Kid Watch the original animation of Bosko "the Talk Ink Kid", the first Looney Tune in 1930.