Season 1
- 1Episode 12 Apr 2023
- 2Episode 29 Apr 2023
- 3Episode 316 Apr 2023
- 4Episode 423 Apr 2023
- 5Episode 530 Apr 2023
- 6Episode 67 May 2023
- 7Episode 714 May 2023
- 8Episode 821 May 2023
- 9Episode 928 May 2023
- 10Episode 104 Jun 2023
Presented by broadcast journalist Claire Byrne, Ireland's Smartest puts Ireland's cleverest quizzers to the test comprising six heats, three semi–finals and a grand final. The studio format will see three contestants compete in each episode as they progress through the rounds, until one is crowned series champion.