There are so many excellent one-liners in this minute and a half clip, we just can't handle it!
Check out this preview clip (above) to watch Sebastian lay some truth down on the New Directions and ignite a pretty nasty war between himself and one Santana Lopez.
You're handsome honey, but not too bright. Haven't you heard? The only straight that girl is … is straight up bitch! What!
P.S. - Okay, we think we picked our fave:
"Rachel, he was friends with both Liza Minnelli and Liz Taylor."