A prequel series to the first Incal series, published after it.

A prequel series was published a year later and told Rex's story between his original crash and "death" in Yune's first prequel.

In the book's prequel series, it is revealed that Carrie met Samantha first.

This was a prequel series, set on Melmac before the planet exploded.

The Q4 is the prequel series of basses to the current "Legend" Spector series.

The prequel series, The Ponderosa (see above), is also available on DVD.

This is confirmed in the prequel series "Rock & Chips".

Barrie, Haley and Ashton reprised their roles in the prequel series.

After the series ended in 2009, a short-lived prequel series, Caprica, followed in 2010.

Meanwhile Warlord included a prequel series, Young Wolf, about Sampson's childhood, starting with its first issue in 1974.