Sharon Omi

Claire becomes a determined neighborhood vigilante hoping to catch and stop a menacing car that speeds though their streets. Meanwhile, Phil is busy trying to land an important listing with a difficult client, Jay teaches Manny how to ride a bike -- only to learn Gloria needs lessons too -- and Mitchell and Cameron stumble upon a mysterious neighbor who is quite the charmer.

In Japan, the team helps local law enforcement investigate a string of homicides that have been made to look like suicides; Mae encourages Clara to take time to have fun.

Alan Shore bails out Catherine Piper (Betty White) after she goes on a spree of convenience-store holdups; Denise Bauer sues an HMO for inadequate Internet security that led to a brutal murder.

Randall adjusts to the foster system. Kate and Toby take the next step in their relationship. Kevin visits Sophie in New York. Jack and Rebecca finalize Randall's adoption.

Conrad, Kit, Mina and the Raptor work to save the life of a med student who is in need of a triple-organ transplant; Nic makes a rash decision regarding her sister.