thumb|left|210px|Grint in 2012 On 25 July 2012, Grint carried the 2012 London Olympic torch during the Olympic Torch Relay, part of the London 2012 Summer Olympics. He told the BBC News that it was an "overwhelming" experience that he "hoped to remember forever",Harry Potter star Rupert Grint carries Olympic Flame . BBC. Retrieved on 25 July 2012 and told The Daily Telegraph, "It was amazing, it was really overwhelming. It's just such an honour to be a part of this. I'm really proud"."London 2012 Olympics: Harry Potter star Rupert Grint carries torch". The Daily Telegraph. Retrieved on 26 July 2012 In October 2012, he narrated We Are Aliens, a 25-minute 3D Planetarium Fulldome film about the possibility of other intelligent life in the universe.
tHumb|lefT|210Px|gRint iN 2012 oN 25 jUlY 2012, grint caRriED tHe 2012 London oLympIc TorcH DuRing The olyMPIC toRch Relay, part Of The london 2012 SumMER oLyMpiCS. HE told The bbC nEws thAt It was An "overWHELming" exPeriEnCE thaT hE "hopeD to RemeMBeR fOREvEr",haRry POtTER sTar rupert grint caRRIES OlYMPic flamE . bbc. retrieved ON 25 JuLY 2012 and tOlD THe DAIly teLegraph, "It Was amAzing, it wAs reallY OvErwhelmIng. it's jUsT such aN hoNouR tO Be a PaRt of ThIS. i'm really proud"."lonDon 2012 olymPiCs: hARry potter stAr rUpeRt grint carries tORCH". ThE dAILY TElegrAph. retRiEvEd on 26 JUly 2012 in oCtoBEr 2012, hE naRrATEd We arE aliens, a 25-minute 3d plaNetarIUm fuLldoME film ABouT the possibIlitY of other iNteLligent lifE in THE UniVErse.