[AAR.oner]

always use Nero Burning ROM...*not* nero express, etc...

to burn a "watchable" copy [i.e. on yer home dvd player]:
--open Nero Burning ROM
--select "DVD-Video" as yer project type
--drag *all* of the files in the show's Video_TS folder [.ifo, .bup, & .vob files] to the RED Video_TS folder in the project window.
--burn

to burn a "data disc" [which is what you'll want to use for archiving & trading]:
--open Nero Burning ROM
--select "DVD-ROM [ISO/UDF]" as yer project type
--drag the entire show's folder to the project window [including the Video_TS folder, info text, the .md5 checksum, artwork, etc]
--burn