In January 2013, The Frontline's format and presenter were subsumed into Prime Time as part of a re-branding exercise at RTÉ News and Current Affairs.

Extended or additional editions are broadcast on occasions such as a general election or resulting from major international events, such as the November 2015 Paris attacks.

At the outset the programme had two presenters, Olivia O'Leary and Brian Farrell, and three reporters, Áine Lawlor, Mike Milotte, and Brendan O'Brien.

Marketplace, which was previously broadcast on Network 2, would occupy the Wednesday slot and would deal with financial matters, industrial relations, public affairs and business.

Kevin Reynolds in an episode aired on RTÉ One with the title, "Mission to Prey", during which Kavanagh falsely accused Fr.

[11] On 25 March 2013, a Prime Time television debate held ahead of the 2013 Meath East by-election featured the candidates from the four parties RTÉ perceived to be the front-runners: Fine Gael, Labour, Fianna Fáil and Sinn Féin.

Workers' Party candidate Seamus McDonagh said the Prime Time editor had no "consistent criteria" for this decision, and criticised the lack of an invitation to even sit in the audience despite having, he said, the support of several TDs including Richard Boyd Barrett, John Halligan, Finian McGrath and Thomas Pringle.

"[12] Taoiseach Enda Kenny used Prime Time to submit to a rare live television interview on 19 February 2015.

[13] RTÉ delayed the much anticipated interview for an episode of British soap opera EastEnders that was broadcasting scenes live to celebrate 30 years on air.