RTÉ2 HD ·

Oiche Shamhna - Mistéir Ársa

Thursday 29 October 2026, 19:00 – 20:00 UK time

Oiche Shamhna - An Ancient Mystery: Ancient legends and science at a mysterious cave reveal the origins of Samhain and Halloween. (HD)

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

RTÉ2 HD

Oiche Shamhna - Mistéir Ársa

Wednesday 28 October 2026, 19:00 – 20:00

→

RTÉ2 +1

Oiche Shamhna - Mistéir Ársa

Wednesday 28 October 2026, 20:00 – 21:00

→

RTÉ2 +1

Oiche Shamhna - Mistéir Ársa

Thursday 29 October 2026, 20:00 – 21:00

→