with Championship side Peterborough United in February 2010, in a deal lasting until the end of the season. This move reunited him with former manager Jim Gannon. He hit three goals in nine games for the "Posh", whilst hitting six goals in 32 games for the "Seagulls". He left the Withdean Stadium not long after arriving back from London Road. Barnsley In June 2010, Dickinson transferred to Championship side Barnsley for an undisclosed fee, (thought to be in the region of £150,000) where he signed a two-year contract with an option for a third year. He was to feature just four times at Oakwell under manager Mark Robins. On 2 November 2010, he joined League One side Walsall on an emergency one-month loan. He played seven games for Chris Hutchings's "Saddlers", without finding the net. On 6 January 2011, Liam joined Rochdale on a loan deal for the remainder of the season. He went on to play 14 League One games for Keith Hill's "Dale", again without finding the net. After his loan spell at Spotland ended, Dickinson was released from his contract at Barnsley. Plymouth Argyle to Southend United Dickinson agreed a contract with Plymouth Argyle on 5 July 2011, subject to the takeover of the club being completed. However, he was released from his contract on just eight days later, citing personal reasons. "Regrettably, we have agreed to a request from Liam to be released. We fully understand the reasons why," said acting chairman Peter Ridsdale, who further stated that "Liam has been a thorough professional in the short time he has been with us, and we hope that things will work out for him." In July 2011, Dickinson signed a 12-month contract with League Two side Southend United, with the option of a further year. "Liam's a good size and he had a good goalscoring record in this division a few seasons ago with Stockport County," said manager Paul Sturrock. "That got him a big move to Derby but since then he's been a bit nomadic but we feel he has the attributes to be a success here." Injuries and suspensions caused him to miss the start of the season, and a broken ankle caused him to sit out the rest of the season from March onwards. He was also one of three players internally disciplined by the club for an unspecified incident at a hotel; the