Michael Milhoan

Finn gives a health update on Doc, Meredith is assigned to work with Callie for the day while George gets paired with Derek, and Burke and Izzie continue to try to find a heart for Denny.

A tornado warning forces the Formans and the Pinciottis together on prom night.

Fed up with the fights between her father and Barbra Jean, Kyra sneaks out at night and takes refuge in her old bedroom at Reba’s house.

During a simulated battle, Reese's team of soldiers ends up getting captured because Reese has trained himself not to think; and in court, the evidence against Hal continues to mount.

The CSIs investigate first-hand the behind-the-scenes action of Cirque du Soleil in order to determine what may have contributed to a young dancer's untimely death. Later, after visiting a nightclub, Catherine finds herself in jeopardy and must act as her own CSI. Also, Grissom is perplexed by an uncanny miniature replica of the crime scene he is investigating. (TV-PG)