My thoughts on Episode 4067.
Pros.
1 The story from the street was OK, once you got to the involvement of the Robinson family.
2 My mind's still reeling from the bizarre flashback where we have a younger version of Gordon, Bob, Luis, and probably Alan as a hippy heavy rock band.
3 It's obvious that this was made for this episode cause Luis spouts all the history of his character, but what's funny is Bob's line... "Hey, I just hope this chick María doesn't end up breaking the band."
Nicely subtle, a Yoko Ono joke/reference.
4 Letter of the Day: K was new. Prairie Dawn is involved in this one as well, so if you see her in the Letter of the Day segments, then you know it's going to be a new one except for the letter Q. That one could end up being a repeat, as well as the one with the letter P, we'll just have to wait and see.
Anyway, Cookie ends up eating the letter K after demonstrating the definition of the word "Kowabunga!".
5 Number of the Day: 4 was new. The Count counted up his bats four, including Sasha Bat and then says that counting bats will drive him batty.
6 Deaf Dance Jam live segment.
7 New Bert and Ernie sketch. This'll have a lot of you guys happy, it's a bit with the new Muppeteers, but in a classic nighttime scenario where Ernie keeps waking Bert up with his musical instruments.
8 Global Grover: Australia, liked this one of the under-down-under home.
9 Trash Gordon, was heartened to see that they haven't been completely exhausted. But the bit itself was more of a bland joke.
Cons.
1 Celebrity Moment: They have 34 seasons to go through, and someone picks that god-awful dance to be their favorite moment?
When shall we rid our world of this abomination plaguing the land?!?
2 The song the Cute & Fuzzy Four wanted to sing was called "Wubba Wubba Woo", but we know it's "Monster in the Mirror".
Trust Elmo to deface something else of SS.
3 JTE: The Classic Music Hall was repeated.
4 Elmo's World: Families was repeated, but at least we got to see Super Grover's Super Mommy.
Oh, I forgot, another pro is that we see Benny Rabbit brought back in Global Grover when Grover and Shiela are digging their own dugout.
Hope this helps and have a great day.