Superman TAS - "Demon Reborn" (3x11)

Lois Lane comes home from a day of work. She opens her closet and a person inside sprays sleeping gas at her. Lois coughs a few times and collapses. Very nice animated scene.

We later find out the person in the closet was Talia al Ghul.

Clip From Bob KO: https://www.youtube.com/watch?v=K6g_sC87Jik