What's the Kennection? #70

What Jack Russell terrier from children's books and TV was the "little dog with a big imagination"?

What's the pH of a neutral solution?

Christopher Plummer became the oldest actor ever to win an Oscar for playing a newly out dad in what 2011 movie?

Which Big Bang Theory character married Leonard at the start of the show's ninth season?

In what sport is a "ringer" scored when the heel calks clear the stake?

What's the "Kennection"?