What's the Kennection? #357

What Hugh Laurie TV hit about a tetchy doctor spawned the “It’s never lupus” meme?

What does the ‘B’ stand for in university degrees like B.A. and B.S.?

What Tom Cruise movie about “flair bartending” unfortunately brought us the #1 Beach Boys hit “Kokomo”?

What kitchen staple, introduced in 1946, was famous for its “burping seal”?

What ancient Roman garment, usually made of white wool, was called the 'praetexta' when it boasted a purple border?

What's the "Kennection"?