Kunal Nayyar: Raj Koothrappali
Sheldon Cooper : Wil Wheaton, my old friend. I've chased you 'round the moons of Nibia and 'round the Antares Maelstrom and 'round Perdition's Flames!
Raj Koothrappali : You know, you keep quoting "Wrath of Khan" but he was in "Next Generation?" It's a totally different set of characters.
Sheldon Cooper : Silence!