Exclusive Glee Video: Watch Sebastian Hit on Blaine — Right in Front of Kurt!

Who does this Sebastian think he is?!

In TVGuide.com's exclusive first look at Tuesday's episode of Glee (Tuesday at 8/7c on Fox), Blaine (Darren Criss) will have an aggressive admirer in new Warbler Sebastian (Grant Gustin).

Who is coming between Glee's Kurt and Blaine?

Sebastian has a naughty proposal for Blaine, one he says that Kurt (Chris Colfer) doesn't have to know about.

Too bad for him, Kurt arrives to see what's going on! The thing is, Sebastian doesn't seem to mind...

Watch the clip below to see Sebastian change his proposal to be more, how shall we say, inclusive:

source: tvguide.com