Pingu DVD -> one big file?

Hi all,

I bought DVDfab, and now using version
My kid love to watch Pingu DVD.
Now I bought a Popcorn Hour and want to transfer the movie onto the Popcorn hour.

My question: how can I transform my Pingu DVD which has 20 sessions into 1 big playing file ?

If DVDfab is not the tool for this - which tools can I use ?

Appreciate any comments!