S36·E78 Episode 4640 (Tue 3rd April 2007)

Kelly overhears Matthew and Carl discussing Jimmy's proposal to make Carrie a director in King & Sons and assumes he's going to pop the question. After getting herself dolled up she bursts in on the Kings' board meeting and realises her error. Later, Kelly admits her mistake to Jimmy but he surprises her by producing an engagement ring, but drops it in the river!