Instagram Series for Reels: prepare AI episodes before it opens

Instagram Series is Meta's feature for bundling episodic Reels into one storyline with its own tab on a profile, and it was still a limited test when TechCrunch reported it on June 2, 2026. You cannot switch it on from outside, so the useful move is to render your episodes as ordinary, numbered 9:16 Reels now. Series groups new and existing Reels, so a finished season is not wasted when your account gets the option.

What Meta has said so far

Everything below is Meta's description as reported by TechCrunch. We have not seen the feature in an account, so check your own Instagram settings before you plan around it.

Render for the bundle, not the single post

Because a series is a list of Reels that a viewer moves through, the episodes should look like one show. That is a rendering decision, and Sume's video endpoint already makes it cheap to hold constant. Pick one aspect_ratio of 9:16 and one length band per season, and send the same character references and style text in every request.

On /v1/videos, 9:16 is accepted by the Seedance 2.x family, Wan 3.0 and Gemini Omni Flash 1.1, and the catalog route GET /v1/videos/models lists each model's supported ratios, durations and resolutions before you submit. Avatar Video defaults to 9:16 as well, so a presenter-led series needs no extra setting.

A numbered season in one queue

If you produce episodes through a Sume Format, a bulk run takes 1 to 100 items with a concurrency window of 1 to 16, and each item is an ordinary Format run. Put the episode number in each item's input and in its own Idempotency-Key, so a retry never makes episode 4 twice. The queue can finish out of order, so upload to Instagram by episode number, not by the order jobs completed.

• Keep one title-card convention across episodes so the Series tab reads as a list.
• Render a pilot first and check it on a phone before you queue the rest.
• Hold the season's opening and closing seconds the same length, so autoplay between episodes feels consistent.

What this post does not cover

Sume produces the video files. Uploading them and grouping them into a Series happens in Instagram's own tools, and only if Meta has enabled Series for your account. If Meta publishes limits for episode length or count, read them there; this post does not quote any, because the report we read gave none.