...when you consider Kes appeared in one or two flashback-y episodes afterwards. Didn't she? One where she was "evil" and another when the ship was split into different timezones?
She was "evil" in Fury
, but that episode was a bit controversial because many folks felt the character already had a good send-off in The Gift
. The other episode you refer to, Shattered
, didn't have Kes, although it probably should have (or at least we can assume she was somewhere