What is the name of this episode?

[Tracy]

All I remember about this episode was that there was a ship made of what looked like Christmas lights? Can anyone enlighten me more on this please?

[emwhy]

It was called simply "The Zarn". It was in season 2 and there were 3 episodes featuring this character.

[emwhy]

Thry this link for a synopsis:
http://www.execpc.com/~nolsen/lotl/episodes/episod19.html