I haven't seen many of the Tenth Doctor episodes (and even then, never a complete one), but this makes me love David Tennant so much:
BTW, what episode is it where he tells William Shakespeare to say "Expelliramus"? I saw the clip and squeed (it doesn't hurt that they've got "Goblet of Fire" on TV next to me).
Further proof that Karen Gillan is awesome:
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Same with Scott Caan:
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