I don't understand the rest of the "That's what you said when you left your phone charger" sentence, but I suspect it's funny.

Oh, Ben Browder, hello!

The other Doctor tells Amy about starting afresh and it seems to me that's what the reason for the Ponds' departure will be.
Wow, kindness in one's eyes means they're a parent. ô_o

The Gunslinger's face looks familiar.

Giant Tic Tac spaceship!

Nooo, not Isaac!

We'll never guess what really happened to all the monkeys and dogs that were sent into space? Ooh, does that mean they were saved?
"Our friends are gonna start noticing that we're aging faster than them." Wow, can't believe that topic is finally addressed.

Reading the credits to find out who played the Gunslinger. ANDREW BROOKE, ahaha! Now why is that so hilarious/awesome? Because this is where I've seen him before.