Heir: [s5e18] Con

'Gossip Girl,' Season 5, Episode 18, 'Con Heir': TV Recap - WSJ

: Chuck invites his uncle Jack Bass back to town to thank him for a life-saving blood donation. However, the trip doesn't go as planned when Chuck discovers Jack couldn't have been the donor because he has Hepatitis. [S5E18] Con Heir

You can find more detailed summaries and fan reviews on the Gossip Girl Wiki or the Rotten Tomatoes episode page. 'Gossip Girl,' Season 5, Episode 18, 'Con Heir':

Desmond Harrington (Jack Bass), William Baldwin (William van der Woodsen), Dick Cavett ' Season 5

" Con Heir " is the 18th episode of the fifth season of the television series , which originally aired on April 2, 2012.