Conan O'Brien is returning to The Tonight Show in his first appearance since he was fired 14 years ago during feud with Jay Leno

Conan O’Brien is set to make his first appearance on The Tonight Show since his abrupt firing in 2010. His departure, prompted by NBC's move to replace him with Jay Leno despite Leno's earlier handover of the Tonight Show reins to O'Brien, remains one of the most striking turns in late-night television history. Conan O’Brien is set to make his first appearance on The Tonight Show since his abrupt firing in 2010; pictured 2023 The 60-year-old comedian will return to the NBC late night show, now hosted by Jimmy Fallon, to promote his upcoming Max series Conan O’Brien Must Go on Tuesday; pictured with Tom Hanks in January 2010 In a 2022 interview on Bill Maher's Club Random podcast, Leno addressed the Tonight Show drama, refuting any allegations of intentionally undermining O'Brien's opportunity on the show. His departure, prompted by NBC's move to replace him with Jay Leno despite Leno's earlier handover of the Tonight Show reins to O'Brien, remains one of the most striking turns in late-night television history; Leno pictured in 2011 O'Brien had hosted The Tonight Show from June 2009 to January 2010; pictured 2010 Following his tenure on The Tonight Show, O'Brien embarked on an 11-season journey as the host of the TBS late-night program Conan, culminating in its finale in 2021, thus concluding his 28-year stint as a late-night talk show host; pictured 2014 'I don't know why I didn't. 'He went and took that show back and I think in a similar situation, if roles had been reversed, I know — I know me, I wouldn't have done that,' O'Brien said at the time; pictured 2010 In February 2014, Leno bid farewell to The Tonight Show, with Jimmy Fallon taking over as his successor; pictured 2022 'But I cannot participate in what I honestly believe is its destruction.'