'Twas the night before Christmas and all through the house, not a creature was stirring, except Tracy Morgan's big mouth.
Dressed in the finest holiday pajamas, the "30 Rock" star joined Jimmy Fallon for a reading of "'The Night Before Christmas" on Wednesday's "Late Night."
And he interrupted after every line. As in:
Fallon: "While visions of sugar plums danced in their heads."
Morgan: "Sugar plums? You definitely don't got kids. I got three kids. They want a Wii U, XBox, a ColecoVision, 'Call of Duty.' Not one of them asked me for no sugar plum."
Watch it here: