'Maybe leaving NBC late night in 2009 will help open his schedule to guest again as Kitty on "South Park"'
(Jay) Leno
200
'In navy slang a flattop is this type of modern warship'
an aircraft carrier
400
'At NYC's Tisch Children's Zoo, a Vietnamese pot-bellied this is available for petting'
pig
400
'Benny Goodman'
clarinet
400
'(Dr. Oz delivers the clue, again holding a squishy human heart.) The sinoatrial node on the back wall of the right atrium, here, sends out electrical signals to regulate the heartbeat & is also known as this, like a mechanical device implanted to do the same thing'
a pacemaker
400
'On "Futurama" this pol warned of the universe's destruction, "and as an environmentalist, I'm against that"'
Al Gore
400
'It's the lowest rank of admiral in the U.S. navy'
rear admiral (lower half)
600
'In 1901 Alexander Graham Bell began building tetrahedral box ones of these with the goal of lifting people'
'"You got lucky"--this Heartbreaker voiced Lucky in a "King of the Hill" episode titled "Tears of an Inflatable Clown"'
Tom Petty
800
'In 1992 Darlene Iskra took an opportune time to become the Navy's first female one of these, on the USS Opportune'
captain
1000
'Sports car video game that's "great touring" in Italian'
Gran Turismo
1000
'Lionel Hampton'
vibraphone
1000
'(Dr. Oz holds a small wire mesh tube.) These wire mesh tubes are used to prop open an artery during balloon angioplasty & expand & lock into place as the balloon is inflated'
a stent
1000
'In 1976 this singer "Fell to Earth"; in 2007, he fell below the waves, as Lord Royal Highness on "Spongebob"'
David Bowie
1000
'The roots of the Navy Seals are in UDTs, short for underwater teams that specialize in this explosive activity'