Episode 1, Episode I or Episode One may refer to:

• Series premiere, the first episode of a series
• "Episode 1" (Ashes to Ashes series 1), (2008), the first episode of the TV series Ashes to Ashes
• "Episode 1" (Being Human series 1)
• "Episode 1" (The Casual Vacancy), (2015), the first episode of the TV miniseries The Casual Vacancy
• "Episode 1" (Coronation Street)
• "Episode One" (Dark Matter), the first episode of Dark Matter
• "Episode 1" (Fleabag series 2)
• "Episode 1" (Humans series 1), the first episode of the TV series Humans
• "Episode 1.1" (Secret Diary of a Call Girl), the premiere episode of Secret Diary of a Call Girl
• "Episode 1" (Shortland Street)
• "Episode 1" (Twin Peaks)
• "Episode 1" (Tá no Ar)
• "Episode 1" (Uyanış: Büyük Selçuklu)

• Star Wars: Episode I – The Phantom Menace, a 1999 film
• Half-Life 2: Episode One, a 2006 computer game sequel
• Episode 1 (company), a UK investment company
• Episode 1 (EP), an extended play by Broiler
• Episode 001: Chasing Hayley, 2009 EP by Kidz in Space
• Episode One: Children of Harlem, 1994 album by Gary Bartz

• List of television episodes named "Pilot", often the title of the first episode of a given television series.
• All pages with titles beginning with Episode I
• All pages with titles beginning with Episode 1
• All pages with titles beginning with Episode One

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