123SeriesHD is a guide to 180 TV series sorted by how many seasons they have. Each series has a page with its cast, a summary, every season and a Watch now button.

What are the four shelves?

One season; two or three seasons; four to six seasons; and seven seasons and more. Each shelf holds 45 series.

How many episodes does the guide cover?

It covers 789 seasons and more than 14,600 dated episodes. The longest shelf alone accounts for 9,000 of them.

Does 123SeriesHD host the episodes?

123SeriesHD is a guide only. Watch now opens JustWatch for the country you choose, which lists the subscription, rental, purchase and free services carrying the series.

Which series is the longest?

Grey's Anatomy has the most seasons, with twenty-two dated so far, and Lassie has the most episodes, 591 across nineteen seasons.

Which series has the highest score?

I'm in the Band, at 8.6, followed by The Good Doctor at 8.5. Forty-two series score 8.0 or more.

Can I see which series are finished?

Yes. Each series page states its status, and the Still running list gathers the ten series with new seasons still being made.

Is the guide suitable for families?

Yes. Every series was screened by hand, and 43 are marked as family viewing, from Little House on the Prairie to Girl Meets World.

My Series is a personal list kept in the browser. It stores the series you add and the episode you mark as reached in each.

Is an account needed?

The whole guide is open to every visitor. Search, the length lists and My Series all work from the first visit.

How do I find a series quickly?

Type part of its name, an actor or a year in the search box, choose a length from the menu, or open the A-Z index.

Are there films in the guide?

123SeriesHD lists TV series only, including a few short serials in two or four parts.

My Series

123SeriesHD: 180 TV series sorted by how long they run, from Freaks and Geeks and Fawlty Towers to Downton Abbey, Friends and The Good Doctor

Four shelves of 45 series each: one season, two or three, four to six, seven and more.

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