There’s a thief in 30 Rock‘s midst! Last week’s Leap Year celebration continues as the gang prepares to ring in Pete’s birthday. Or will they? In our exclusive clip, someone (a black-hearted individual, perhaps) has swiped the Scotch Pete has been saving for his big day, subsequently ruining the Hornberger Hang. His fears should be assuaged, however, because J. Mo’s supreme sleuthing skills (courtesy of her stint as crime-fighter Alexis Goodlooking) should no doubt come in handy. We think.