Howard, Raj and Bernadette are trying to figure out what to do about the squeaky floorboards in Howard's old bedroom, which now belongs to his infant daughter, Halley. No solution proves exactly fruitful, but it's fun to watch, isn't it? Plus, we get to see Howard sing "If I Were a Rich Man" from the Broadway favorite "Fiddler on the Roof".

From "The Big Bang Theory" Season 10 Episode 13: "The Romance Recalibration"