Leading the pack on TG4 are Ros na Rún and The Island of Inis Cool, with their initial broadcasts in 1996 and 2004. As of August 2026, our compilation of TG4’s top-rated series boasts over 20 unique shows. Boasting a rich catalog, TG4 features more than 20 shows, with broadcasting dates ranging from 1996 to N/A.

Ros na Rún is a long-running Irish soap opera produced for the Irish language television channel, TG4. It was originally broadcast on RTÉ One in the early 1990s before the existence of TG4. It now broadcasts for 35 weeks of the year, airing 2 episodes each week from September to May. The programme is set in a fictional village called Ros Na Rún, located outside Galway, and near Spiddal, and centres around the domestic and professional lives of its residents. It is modelled on an average village in the West of Ireland but with its own distinct personality – diverse population that share secrets, romances, friendships etc. While the core community has remained the same, the look and feel of Ros Na Rún has changed and evolved over the years to incorporate the changing face of rural Ireland. It has established a place not only in the hearts and minds of the Irish speaking public, but also the wider Irish audience.

Skunk Fu! is an Irish animated children's television series featuring the fables of anthropomorphic animals protecting their valley using martial arts. The show chronicles the adventures of young Skunk, training with his Kung Fu master, Panda, with support of Rabbit, Fox, Turtle, and others, who directly, or inadvertently, also help Skunk grow. The show received mixed reviews from critics and won the IFTA award for "Best Animation". In addition to an English sound track, an Irish language, French language, Japanese language and Dutch language soundtracks were initially produced.

Northern Lights tells the story of two grieving strangers whose worlds collide on a rainy night in Dublin. Revelations, confessions, secrets, and lies envelop this darkly humorous, intimate series of hope.

In an isolated village in the north west of Ireland, a murder investigation begins when Garda Barry Roche finds a body buried in the bog. In the most personal of cases, Garda Conall Ó Súilleabháin discovers it is his mother, Sabine, who has been missing for 15 years. Conall is forbidden from working on the case, but is drawn into the investigation by a determined young journalist Ciara-Kate, who is using her true-crime podcast to expose the village's deepest secrets. As they unravel the truth, they must confront a community bound by silence and its own moral codes.

The story of the Connolly Brothers; three Irish emigrants who travel from Montana to the Yukon during the Klondike gold rush of the 1890’s in the hope of striking it rich where they become embroiled in a deadly feud with the man who runs the town.

The misadventures of Biff, Boff and Ben, three immature brothers on a remote island.

The series follows the life of Aifric whose wacky family have just moved to a new town in the West of Ireland. The 14yr old wants nothing more than to fit in but feels her family will not make it easy for her. Her mother is a new-age hippy who has banned television, while her father is a wannabe rock star, not to mention her annoying little brother.

The title 'No Béarla' means 'No English' in this adventure style documentary. Manchán Magan travels around Ireland trying to see if he can live speaking only in Irish and buying only Irish made goods.

National Treasure Sharon Shannon explores Ireland’s Hidden Heartlands accompanied by her niece, musician Caoilinn Ní Dhonnabháin. Together they cruise the mighty River Shannon meeting up with friends old and new, having some craic, playing some tunes and discovering all this magical region has to offer.

Text Taistil transports us from our couches to a different destination each week for an inspirational, fun and entertaining 50-minutes. It's a fast-paced travel series and a captivating way to experience the world. Three presenters, three days, three tasks. A different short break every week. They will have 48 to prepare for the trip and only a text message to guide them. Louise Cantillon, Séaghan Ó Súilleabháin and Proinsias Ó Coinn are perfect for this assignment, or are they? To say they have very little in common would be an understatement.

Lí Ban is a Northern Irish anime-inspired animated series produced by Claire Handley and Jude Petticrew. Heavily inspired by the story of Lí Ban, the series follows the titular 12-year-old character and her dog Con as they mysteriously transform into a mermaid and a sea otter. As they explore the deep sea in search of answers, they encounter gods, monsters, giants, and wily humans. The series debuted on both TG4 and Cúla4 on 15 October 2024, and was also made available for streaming on Cúla4's website. It is distributed internationally by Aardman. A Welsh language dub of the series was broadcast on S4C. The series was made with funding support from Coimisiún na Meán and Northern Ireland Screen's Screen Fund, and the Irish Language Broadcast Fund.

Reality based talent search for Ireland's newest country and western music star.

Seacht was a college drama series following the lives of seven college students at the Arts Department of Queen's University in Belfast. The drama was broadcast on Irish language state broadcaster TG4 and BBC Two Northern Ireland. The show attracted an audience of around 40,000. It aired on Mondays 22:55 on TG4, repeated Saturdays at 22:05, and on BBC Two NI on Tuesdays at 22:00.

Set in a struggling Irish language newspaper in Belfast, the series is built around the character of Rob Cullan. a journalist who has left a high flying job in an English newspaper under a cloud. He is persuaded to return to the community he grew up in by the wily newspaper proprietor Diarmuid Black to help rescue his ailing publication.

Amú Amigos is an Irish-language TV travel show with a mainly young audience. It got huge ratings and brought many non-Irish speakers to the channel for the first time. Hector's style is unique, as he travels to various countries, meeting and chatting with the locals in English/Spanish and then explaining to the audience in Irish. The enthusiasm and love he has for the Irish language is infectious and has influenced many other programmes on TG4. Each show attracts in the range of 50,000 viewers. Amú Amigos was followed with other similar series such as: ⁕Amú le Hector ⁕Hector i Meiriceá ⁕Hector san Afraic ⁕Hector san Astráil

Seó Spóirt is an Irish language sports talk-show that is broadcast weekly on Friday evenings on TG4. Focusing on GAA and rugby union, the show runs each year from spring to autumn, covering the main competitions in both codes. Seó Spóirt is presented by former Kerry footballer Dara Ó Cinnéide, along with regular guest Seán Bán Breathnach. The show usually consists of a discussion of recent action and events from the worlds of GAA and rugby, with comment and analysis from different guests each week. Among the regular guests are Darragh Ó Sé, Coman Goggins, Liam Rushe, Pat Fleury, Páidí Ó Sé, Ger Loughnane, Kevin Cassidy, Dónal O'Grady, Ger Loughnane, Aodán Mac Gearailt, Tomás Ó Flatharta, John Allen, Ray Silke, Paul Galvin, Charlie Vernon and Micheál Ó Muircheartaigh. The show also includes interviews with players and managers, and other reports by Gemma Ní Chionnaith. Another regular feature is "Thar an Trasnán" competition, in which school-level football and hurling teams compete to see who can put the ball over the bar the most times. Seó Spóirt first went on air on February 2 2007. Mícheál Ó Dómhnaill hosted the first series, before making way for Dara Ó Cinnéide in 2009.

Thar Sáile is a series of television programmes which explores the status of the Irish language in some of Europe's major cities. The cities visited are Vienna, Berlin, Athens, Amsterdam, Oslo, Paris, Madrid and Brussels.

Geantraí (translated: Lively Music), an evergreen traditional music series, is one of TG4’s most popular and has been a staple in the programme schedule since the channel first came on air. It conveys the unique atmosphere of a pub session and programmes feature the best of regional traditional music from around the country. The series, presented by a different musician each week, is produced in genuine traditional music pubs and many of our best known musicians are featured. It is also a platform for the young or indeed the mature musician who may be performing on television for the first time.

Bog Stop is a televised Irish language children's quiz show, produced by Abú Media for TG4, presented by Máire Treasa Ní Dhubhghaill, and shown on Mondays, Wednesdays and Fridays. Each fortnight, three schools compete to win a trophy. Six shows are recorded in one day, to be broadcast over six days. Six students from each school compete on the game show, one for each day. Each series consists of 66 episodes, with 33 schools taking part. The show is a version of the original Australian show, Go Go Stop. The format has also been used in Belgium and Turkey. The shows are recorded in the Black Box Theatre in Galway, over 11 days around April, for broadcasting in January to June of the following year. The fourth series was recorded in April 2010 and was broadcast in 2011 on TG4 on Mondays, Wednesdays and Fridays at 4:30 pm, with a repeat of the previous three episodes on Sunday mornings. For the first series in 2008, the shows were broadcast Monday to Friday, with five students from each of three schools taking part over one week. Three different schools would compete the following week. Since the second series in 2009, the schedule has been Mondays, Wednesdays and Fridays, with six students from each of three schools taking part over two weeks. Three different schools compete every two weeks.

7 Lá is an Irish-language weekly current affairs show. All topics are discussed but particular focus is given to regional and Gaeltacht affairs.