What episode was Buffy and spike in angel?

Buffy and Spike did not appear together in any episodes of the TV show "Angel". While both characters were in the same universe and occasionally interacted, they never appeared in the same scene on "Angel".

Buffy Summers appeared in the "Angel" episode "Lie to Me" in Season 2, while Spike appeared in the "Angel" episode "Spiral" in Season 3. However, they were in different episodes and did not share any scenes.