Integration

[spike78a]

it seems your only problem with "the duelist and the drifter" is that it was a filler and in my personal opinion you shouldn't knock a episode just because it's a stand alone story. if this was a show like "24" i could understand maybe but thundercats is not that type of show.
not every episode should have to deal with the main story arc that's why it's called a "arc". if all 52 episodes dealt with the quest you'd wear the audience out. or you may risk making the quest boring.
some of the best episodes of the x-files were the stand alone stories that had nothing to do with the alien invasion. that also goes for other shows with intense story arcs.
i think a lot fans years from now when revisiting this episode will appreciate it for what it is a great episode and it won't matter that it was just a stand alone episode. but this is just my opinion obviously you feel different.