Doug Ballard

The Cohen family prepare for a visit from Sandy's mother for Passover dinner; Seth worries his grandmother won't approve of Summer and tries to keep them apart, but Summer sets out to prove him wrong.

Leo gives testimony in the congressional investigation into the president's failure to disclose his illness, and President Bartlet threatens to use troops to protect frightened churchgoers on Christmas Eve.

Luke's near-fatal accident prompts Marissa and Ryan to finally listen to him; Jimmy and Sandy learn their liquor licence was denied just before the Lighthouse opens; Caleb proposes to Julie.

Blanche's Moonlight Madness Party brings an astonishing number of surprises, as the leap year's full moon rises over Miami.

Grace finds out that one of Karen's friends is her competition for an important interior design job, and Jack convinces Will to help him in his latest venture.

George feels responsible for getting a busboy fired and tries to make it up to him.