2–1 away win, and went on to make 34 appearances in the 2007–08 season, although he missed four matches after being sent off in October 2007 for allegedly punching another player. The following season, he joined Shrewsbury Town in September 2008 on a one-month loan, where he scored once against Darlington. On his return to Orient, he regained his place in the first team under new manager Geraint Williams and made a total of 34 appearances for Orient in the 2008–09 season in addition to his loan spell at Shrewsbury Town. He signed a new one-year contract with Orient in June 2009, with the option of a further year, but was released by Williams' replacement Russell Slade on 9 May 2010 after putting on too much weight. Sean Thornton became something of a cult hero at Orient, leading to local folk-punk artist Steve White recording and releasing a song in praise of Thornton. Aberystwyth Town After false reports that he had signed for FC Metalist Kharkiv, Thornton signed for Aberystwyth Town on a short-term contract on 13 September 2011, in a move that was described by the club as 'arguably the biggest signing in Welsh Premier League history'. The midfielder scored his first goal in Aber colours on 11 November 2011, as the Seasiders hammered Port Talbot Town 4–0 at the Genquip Stadium. On 16 November 2011, it was announced that Thornton had agreed to extend his stay with Aberystwyth Town until the end of the 2011/12 Welsh Premier League campaign. He scored his second goal for the club in the 1–1 draw with Afan Lido. He is signed for another season (2012–13) at Aberystwyth Town Conwy Borough FC After doing pre season with Chris Herbert's men Thornton signed for the ambitious North Wales club on a years pay as you play deal, while he proves his fitness from a ruptured Achilles' tendon. Thornton was influential in Conwy Boroughs undefeated start to the season, also scoring twice in 3 games. But after 6 games in to the 2013/14 season Sean Thornton was released from Conwy for breaching Club rules. Bala Town On 3 January 2014, Thornton agreed to join Welsh Premier League side Bala Town. He was handed the number nine shirt. Drogheda United On 4 January 2015 Sean agreed to sign for hometown club Drogheda United in what would be his first experience of playing in the League of