The complete fourth series of the acclaimed political TV drama series. The re-election campaign for President Josiah Bartlet (Martin Sheen) is underway in the two-part episode '20 Hours in America'. In 'College Kids', Bartlet decides he needs legal help after Qumar declares war on Israel. 'The Red Mass' sees Leo (John Spencer) discreetly meeting the Israeli Foreign Minister to discuss mutual strategies. 'Debate Camp' sees Bartlet preparing for the crucial upcoming debates while on a weekend retreat. In 'Game On', Bartlet makes mincemeat of his Republican rival, Governor Robert Ritchie (James Brolin) in their debate. The votes are being counted in 'Election Night', as the Presidential staff eagerly anticipate the outcome. In 'Process Stories', the White House staff celebrate Bartlet's win. 'Swiss Diplomacy' sees Bartlet in a dilemma when the Iranian Ayatollah requests that his son be flown to the US for life-saving heart surgery. In 'Arctic Radar', Sam (Rob Lowe) heads out to California to begin his election campaign. A few unexpected Christmas visitors turn up at the White House in 'Holy Night'. 'Guns Not Butter' sees the staff fighting a losing battle on a foreign aid vote in the Senate. In 'The Long Goodbye', CJ (Allison Janney) reluctantly returns to Dayton to speak at her high school reunion. Preparations for the Presidential inauguration are underway in the two-parter 'Inauguration'. In 'The California 47th', Bartlet decides to get tough in order to end the genocide in Kundu. In 'Red Haven's on Fire', Bartlet waits for the results of the military strike in Africa. 'Privateers' sees Abbey (Stockard Channing) upset by an anti-abortion provision attached to a foreign aid bill proposed by Bartlet. In 'Angel Maintenance', tensions in Air Force One grow as there are concerns that an aircraft has been tampered with. 'Evidence of Things Not Seen' finds the White House on lockdown after a street gunman fires three shots into the West Wing. In 'Life on Mars', Joe Quincy (Matthew Perry) pieces together three press leaks and uncovers a scandal that forces Hoynes (Tim Matheson) to resign - all on his first day in the job. 'Commencement' sees the US on high alert after some suspected terrorists go missing. In the season finale, '25', Bartlet invokes the 25th amendment after Zoey (Elizabeth Moss) is kidnapped by Qumari terrorists.