At some point, Giuliani either tells Morgan he "sucked up" or "fucked up" — it's tough to tell because Giuliani's words are a bit slurred — but either way Morgan apologizes for the language before twisting the knife further into his guest.
Taking a page from his boss's playbook, Giuliani stumbled through a few insults about Morgan's failed CNN show and its poor ratings.
But Morgan kept going after the former mayor, firing off wonderfully British insults.
Giuliani, the former NYC mayor and current personal lawyer for President Donald Trump, appeared on Thursday on ITV's Good Morning Britain, which Morgan co-hosts.
It does represent a shift from Morgan — a former winner on Celebrity Apprentice who had a largely friendly (if bonkers) interview with Trump this time last year.