#date: 04

You're Welcome aired for ATS season 5, episode 12. This was the last appearance of Cordelia. Cordelia returns temporarily, and she and Angel kiss. This is their first real kiss, a kiss not in a dream or caused by a spell / possession. Cordelia leaves after the kiss, and becomes a higher power.

Cordelia Chase is played by Charisma Carpenter. Cordelia was in over 140 episodes of the Buffyverse. Charisma played Cordelia in BTVS S1, S2, S3, and ATS S1, S2, S3, and S4. This was her only appearance in ATS S5.

(image credit to buffyversefans)

Waiting in the Wings aired for ATS season 3, episode 13. Cordelia and Angel sneak backstage at the ballet and become possessed by the spirit of former lovers. The room feels warm, Cordelia asks Angel to undress her, and things get heated. While it happens under the possession, this is the first time that Cordelia and Angel kiss.

The Killer in Me aired for BTVS season 7, episode 13. Willow and Kennedy share their first kiss.