This political drama’s initial run is truly exceptional. Aaron Sorkin has produced something remarkable – in numerous ways – and the ensemble cast, spearheaded by Martin Sheen ("President Bartlet"), consistently performs admirably as the senior advisors within his administration. They navigate the everyday challenges inherent in American government, although Stockard Channing appears less frequently as his pragmatic First Lady. Generally, the show moves at a rapid pace, occasionally tempered by the measured and insightful presence of his Chief of Staff "Leo" (John Spencer), tackling every conceivable situation – from issues within the country to international affairs, family matters, and college-related concerns – impacting the Director of Communications (Richard Schiff), his assistant (Rob Lowe), the Press Secretary (Allison Janney), and "Josh Lyman" (Bradley Whitford) - a dedicated but sometimes problematic deputy Chief of Staff. Sorkin and the cast skillfully construct scenarios that evoked comparisons to "Yes, Minister" and the original British version of "House of Cards," blending comedy with large-scale political maneuvering on both a grand and intimate level. No topic seems beyond discussion, and it offers as realistic a portrayal of government as we’re likely to encounter. I felt Stockard Channing made a significant contribution in her role as First Lady, and the characters played by Janney and Spencer gave me reason to believe that perhaps someone within the administration possessed a clear understanding of what was happening. It does, naturally, adopt a distinctly American viewpoint, which occasionally bothered me as an outsider due to the mixture of real events and invented narratives that sometimes undermined the stories' believability; but overall, it’s captivating viewing. Sadly, around the beginning of series four, the quality of the writing begins to decline, and the cast – initially energetic and dynamic – starts to exert too much influence behind the scenes. The storylines become overly personal, even romantic, and increasingly improbable. Key original performers appear less often, diminishing its impact and credibility. The final two seasons, which centered on presidential succession and largely excluded many of the characters we’d followed from the start, failed to engage me. By the end, I felt that perhaps two series had been added unnecessarily. At its peak, it provides superb, stimulating entertainment and is definitely worth watching consecutively.

Source on TMDB