Read the following context and answer the question.
Context: Mim and I went shopping last weekend . We bought a DVD set . We could n't resist . It called to both of us from deep in our childhoods . The Mysterious Cities of Gold6 DVDs containing all 39 episodes , including the little featurette after each one . And watching the first few on Sunday , they were in a lot of ways really low - budget . The animation was competent , but not inspiring ( the story , that 's another thing ... ) , and the audio -- listening with older ears , it has a Vangelis tribute for a soundtrack , and a fairly ordinary attempt to have sound effects .
Question: Why is the narrator feeling so nostalgic ?
Answer:


They got a DVD of their favorite childhood show .