Is Dragon Ball Z episode 18 filler?
Canon No, episode 18 of Dragon Ball Z is canon.
#18
The End of Snake Way
終点～ん蛇の道！おめえ界王様か？
Aired 6 Sept 1989
Canon No, episode 18 of Dragon Ball Z is canon.
#18
The End of Snake Way
終点～ん蛇の道！おめえ界王様か？
Aired 6 Sept 1989