I watched this on the Graham Linehan blog, and while it is sort of funny as in "why's he so nervous to be on camera?? tee hee" something else began to worry me.

See how he keeps looking over his left shoulder? Like the spectre of death is waiting, scythe in hand, for him to finish his lines before whisking him off to the 6th circle?

I mean, the corner of Hollywood & Vine is eerie, but there's something else going on here... Maybe they showed him a picture of Roseanne? (Boooo! I know.)