Watch Jay Leno Poke Fun at Jimmy Fallon on The Tonight Show
, Former host of The Tonight Show Jay Leno stopped by current host Jimmy Fallon's set to gently needle his successor Friday. In his first appearance on the show since Fallon took over, Leno recalled the time he gave the former Saturday Night Live star some car advice about buying an "old-timey" car don't get one if you don't want to get your hands dirty fixing it. "Look at these hands, ladies and gentlemen  that's like a puppy's paw," Leno joked. "This is the hand of a five year-old.", Elementary star Lucy Liu  who recently chatted with TIME about directing, TV diversity and Destiny's Child  also stopped by. Leno interrupted the interview to tell Liu that he could always interview her if Fallon's interviewing technique wasn't up to par. "This is your first time with Jimmy," he said, "but I was your first."