Video of Conan Going Down Hard

9/29/2009 10:05 AM PDT BY TMZ STAFF
The Conan O'Brien slip and fall video is out, and it's all Teri Hatcher's fault!

Conan O'Brien: Click to watch
Last night -- his first night back since Friday's accident -- Conan played a clip from the taping -- which shows him eating it during a triathlon skit with the Desperate Housewife ... an idea he said was all hers.

In another clip, right after the fall, Conan is dazed, and slurring his words.