Ashton Kutcher Rehearses “Two and a Half Men” Theme Song

Ashton Kutcher does his best to make the transition to the "Two and a Half Men" seamless.

The actor was complex repeats of the show, the theme song to ensure it qualified nails when co-stars Jon Cryer and Angus T. Jones to join him to save the Post-Charlie Sheen.

Kutcher moved his crack at the classic Twitter.