'Dancing With the Stars': Kirstie Alley spills, Kendra Wilkinson takes the table and more memorable moments

"The Bachelor's" Melissa Rycroft came onboard after Nancy O'Dell was forced to withdraw due to injury ... and had only two days to practice her first dance. But the former Dallas Cowboys cheerleader had all the right moves when she hit the dance floor. She tied for second place for the night and came in third in the competition.