Seasons & episodes

During "Know Your Current Events," Dave seems to fixate on attractive women. Later, Weezer plays "Keep Fishin'."

During "CBS Mailbag," Paul exaggarates some of the many great tourist destinations of his hometown in Ontario. Later, Bill Cosby talks about his Congressional Medal of Honor.

It's the dog days of summer, which might explain why Biff is sitting on a block of ice. Later, Julia Stiles talks about her hair.

Dave and Rupert play "The Late Show Celebrity X-Ray Challenge." Tonight's celebrity is James Caan.

Dave reads articles from obscure newspapers in a segment called "Small Town News." Later, Little Richard sings "Good Golly, Miss Molly."

Mike Myers promotes "Austin Powers in Goldmember" and Bruce Springsteen and the E Street Band performs "The Rising."

Biff's Summer Tour continues as Bruce Springsteen and the E Street Band perform "Lonesome Day."

Dave welcomes "Friends" star Matthew Perry, who is promoting a new movie. Meanwhile, a performance by the Aussie rock group The Vines blows the audience (and Dave) away.

Sitting in with the band tonight is an unknown winner from the previous night's Teen Choice Awards. Later, Robin Williams plugs "One Hour Photo."

Dave shows a timeline of President Bush's vacation, while Al Pacino promotes the movie "Simone."

Biff pushes pins into a map right in front of the famous Hollywood sign in L.A.; Alan and his twin brother Rick appear on "American Idol"; upon hearing of a proposed talk show hosted by Bill Clinton on CBS, Dave shows a promo for NBC's "The Saddam Hussein Show."

"SNL" star Jimmy Fallon promotes the MTV Video Music Awards, which he's hosting.

Dave announces that tomorrow night Paul will be inducted into the National Black Sports and Entertainment Hall of Fame. Later, Chris Elliott and Dave reminiscense.

Dave forces Steph/Monty to ask John Travolta, "How can I get in touch with the other Sweathogs?"

Joe Perry of Aerosmith sits in with the band; Osama congratulates Dave for nine years at CBS; Jake Gyllenhall promotes "Moonlight Mile."

Biff Henderson ends his tour of the US during the "CBS Mailbag" segment (final stop: Mt. Rushmore) as Dave chats with "Dr. Steven Hatfill" (Gerard). Later, Dave welcomes "Jiminy Glick" star Martin Short.