You should watch:

The Inner Light

This was episode number 25 of season 5.

The following characters appeared in this episode:

(credit only) Counselor Deanna Troi

(uncredited) Ensign Jae

Administrator

Batai

Captain Jean-Luc Picard

Commander Wiliam T Riker

Doctor Beverly Crusher

Eline

Lieutenant Worf

Lt Commander Data

Lt Commander Geordi La Forge

Meribor

Nurse Alyssa Ogawa

Young Batai