club signed him on a five-month contract until 31 December 2016 with a view to a longer-term deal. He made his third debut for Southend United, starting the whole game, and set up the club's only goal of the game, in a 3–1 loss against Gillingham in the first round of the League Cup on 9 August 2016. Following this, Sokolík was dropped from the squad for the next three matches. He didn't make his return to the first team until a match against Brighton & Hove Albion U23 on 30 August 2016 in the EFL Trophy, starting a match and played 88 minutes, as Southend United won 2–0. Sokolík appeared in the next two matches against Bolton Wanderers and Scunthorpe United. However, he found himself out of the first team for two months, due to competitions in the club's defence. As a result, Sokolík made four more appearances by the end of the year. Because of his lack of first team opportunities, his departure from Southend United was confirmed on 4 January 2017. By the time he departed from the club, Sokolík made nine appearances in all competitions. Plymouth Argyle On 4 January 2017, Plymouth Argyle confirmed Sokolík had joined them after his contract at Southend United ran down. He made his debut for the club, coming on as a second-half substitute, in a 2–1 loss against Cheltenham Town on 21 January 2017. In a follow–up match against Yeovil Town, Sokolík made his first start for Plymouth Argyle, as the club lost 2–1. Since joining Plymouth Argyle, he was featured heavily in the remainder of the 2016–17 season. Sokolík helped the club keep two consecutive clean sheets in two separate matches. At the end of the 2016–17 season, he went on to make eighteen appearances and scoring once in all competitions. Ahead of the 2017–18 season, Sokolík was given a number twenty shirt. However, he featured very little in the 2017–18 season, with just five appearances coming his way by the start of the new year. Sokolík left Plymouth Argyle by mutual consent on 31 January 2018. Torquay United After being released by Plymouth Argyle, Sokolík signed for Torquay United on 16 February 2018 for the rest of the 2017–18 season. He made his debut for the club, starting the whole game, in a 3–0 loss against Dagenham & Redbridge on 17 February 2018. Sokolík then started in the