A pilot is the hardest script in television, because it has to do two jobs at once. It has to be a great first episode - a complete, satisfying story - and at the same moment it has to sell a series that could run for a hundred more.
That second job is the one new writers miss. A reader isn't only asking 'is this good?' - they're asking 'do I see a hundred episodes here?' Here is how a pilot answers yes: the engine it has to prove, the two ways to open a series, and the structure that keeps a network reader turning pages.
Every series has an ENGINE - the built-in machine that generates a fresh story every week. A cop show has cases; a hospital has patients; a workplace comedy has the workplace and the people trapped in it together. The pilot's real job is to prove that engine runs: that this premise can throw a new, interesting problem at these characters indefinitely.
Which is why a pilot must never fully resolve its own premise. If the team forms, the case closes, and everyone goes home content, you've written a satisfying movie and killed the series. Leave the engine running - a question open, a dynamic unresolved, a world that clearly has more stories in it than the one you just told.
There are two ways to open a series. A PREMISE pilot tells the origin story - how the team came together, how the world changed, the day everything started: the plane crashes, the outsider arrives, the diagnosis lands. It's dramatic and clear, but you only get to tell it once, and the series that follows looks different from its own first episode.
A NON-PREMISE pilot drops the audience into a world already running - a representative 'typical episode' that shows the show at cruising speed. It's a truer sample of what a viewer signs up for weekly, but it has to establish characters and engine while also telling a real story, with no origin to lean on. Neither is wrong; pick the one that best proves your particular engine.
Most pilots open on a COLD OPEN (or teaser) - a short, punchy scene before the titles that hooks the audience and sets the tone, often only glancingly connected to the main plot. Then the episode runs in acts, and on commercial television each act has to end on an ACT-OUT: a hook or reversal strong enough that a viewer sits through the break to find out what happens. Write your act breaks first; they're the spine.
Under the A-story (the engine-story of the week) runs a B-STORY - the emotional or relationship thread that gives the episode a heart and lets a character grow. Formats set the lengths: network comedy runs about 22 to 30 minutes, hour drama about 42 to 60; streaming loosens both, often dropping act breaks entirely for a longer, uninterrupted shape.
Resolving the premise, so there's no series left to make. An ensemble with no anchor - a dozen names introduced with no single character to hold onto. A pilot that's all world-building and setup with no actual story driving it. And flat act-outs: acts that simply stop instead of ending on the hook that earns the next one.
The test behind all of them is the pitch a reader makes to themselves after the last page: can they see episode two, and episode ten? Introduce a cast worth following for years, prove the engine that will keep feeding them stories, and leave the reader wanting the next one - that's a pilot that goes somewhere.
The A/B/C story structure is how hour TV interweaves its threads across the act breaks. Read it beat by beat and draft your own pilot's stories right on the page, free.
Map your pilot's A, B, and C storiesWritten and edited by the One More Draft team - working writers and editors building the workshop we wanted. About us