sent off for the second time in his Premier League career. Albion were 2–0 down against Bournemouth at the time of the red card and went on to be beaten 5–0 at home. Fulham Initial loan and then transfer On 21 July 2019, Knockaert joined Fulham on a season-long loan from Brighton & Hove Albion with an option to make the move permanent. On 3 August, Knockaert made his debut, coming on as a sub in a 1–0 away loss to Barnsley. Knockaert scored his first goal for Fulham in a 4–0 home victory against Millwall on 21 August. On 8 July 2020, Fulham completed the permanent transfer of Knockaert in a deal worth up to £15 million with add-ons. With the deal, Knockaert signed a three-year contract. Knockaert played in all three of Fulham's play off matches, coming on in the 81st minute as a substitute in the final where Fulham beat rivals Brentford after extra time to earn an immediate return to the Premier League. The promotion meant that Knockaert has been promoted to the top flight with all three English clubs for whom he has played. Loan to Nottingham Forest On 16 October 2020, Knockaert joined Championship side Nottingham Forest on a loan until 7 January 2021 in where he was to play under former Brighton manager Chris Hughton. He made his debut for the Tricky Trees coming on as a substitute in a 1–1 home draw against Derby County on 23 October. Knockaert scored his first goal for Forest in a 2–1 away loss at Norwich on 9 December. Three days later he set up a 90+2 minute header with Joe Worrall scoring the consolation, before being sent off for a second yellow for diving in 90+5 minute a 3–1 home defeat against Brentford. On 12 January 2021, it was announced that Knockaert's loan with Nottingham Forest had been extended until the end of the 2020–21 season. 11 days later he scored his second Forest goal in a 5–1 FA Cup fourth round defeat at Swansea City on 23 January. He scored his third goal for Forest in a 3–0 away win over Wycombe Wanderers on 6 February, in a match where former Brighton teammate Glenn Murray scored his first two goals for the club and other former Brighton teammate Gaëtan Bong picked up an assist in the victory. Loan to Volos On 10 September 2022,