Dáithí Ó Sé will be joined by guest presenters Rachel Allen, Úna Healy and Elaine Kinsella on RTÉ One's Today in April.
On Tuesday, 6 April, chef and presenter Rachel Allen will co-host the programme.
"I've always enjoyed cooking on the Today show, as I am a great friend of the programme," she said. "I love working with the crew and I'm looking forward to joining Dáithí."
Singer Úna Healy will be in one of the presenters' chairs on Monday, 12 April and Tuesday, 13 April.
"The tables have turned and I'm really looking forward to presenting and having great craic alongside Dáithí Ó Sé!" she said.
Radio Kerry presenter Elaine Kinsella - a regular panellist on Today - will co-host on 19, 20, 26 and 27 April.
"This is my fourth season as a panellist on the show and I enjoy every appearance so much," she said. "I love the atmosphere in the Cork studio and the entire team has always made me feel so welcome. I've a great rapport with Dáithí - the fact that we're both from the Kingdom helps! - and I think we'll have a lot of fun together."
Maura Derrane continues to co-present Today from Wednesday to Friday.
Sinéad Kennedy, who usually co-presents Today on Monday and Tuesday, is on maternity leave.
Bláthnaid Treacy has been guest presenter in March and will continue with her Something for the Week and fashion slots for the rest of the season.
Upcoming guests on Today include Sinéad O'Carroll and Edele Lynch from B*Witched, comedian Bernard O'Shea, presenter Karen Koster and the recently appointed Archbishop of Dublin, Dermot Farrell.
Today, weekdays, RTÉ One, 3:30pm