The Big Bang Theory to Collide with Grey's Anatomy

by at . Comments

One of our favorite sitcom stars is set to guest star on one of our favorite dramas.

Exciting casting news today out of Grey's Anatomy, as the show has booked Kaley Cuoco for a role on the May 14 season finale.

Kaley Cuoco, who brings the beauty to The Big Bang Theory every week as Penny, admitted to Entertainment Weekly that she has knows nothing about the character she'll play.

Kaley Cuoco as Penny

"It is a big ol' secret. I have no clue what I am doing," she told columnist Michael Ausiello. "I swear on my life that I have no idea what I am playing because it is the finale and they are keeping it under wraps until the last possible moment."

The actress is also set to guest star on the next two episodes of Gossip Girl. Look for her as the character of Rebecca Dubrovich in "Seder Anything" and "Loose Ends."

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

Tags: , ,

Grey's Anatomy Quotes

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)

Lexie: [narrating] Grief may be a thing we all have in common, but it looks different on everyone.
Mark: It isn't just death we have to grieve. It's life. It's loss. It's change.
Alex: And when we wonder why it has to suck so much sometimes, has to hurt so bad. The thing we gotta try to remember is that it can turn on a dime.
Izzie: That's how you stay alive. When it hurts so much you can't breathe, that's how you survive.
Derek: By remembering that one day, somehow, impossibly, you won't feel this way. It won't hurt this much.
Bailey: Grief comes in its own time for everyone, in its own way.
Owen: So the best we can do, the best anyone can do, is try for honesty.
Meredith: The really crappy thing, the very worst part of grief is that you can't control it.
Arizona: The best we can do is try to let ourselves feel it when it comes.
Callie: And let it go when we can.
Meredith: The very worst part is that the minute you think you're past it, it starts all over again.
Cristina: And always, every time, it takes your breath away.
Meredith: There are five stages of grief. They look different on all of us, but there are always five.
Alex: Denial.
Derek: Anger.
Bailey: Bargaining.
Lexie: Depression.
Richard: Acceptance.