I've got some:
#?? LuLu's back in Town.
Original Airdate: 1969
Sponsers:L,Q,Y, 6,7
Street Scene:Susan sitting on the stoop of 123?
Film:The sad flower
Susan,Gordon,Mr.Hooper,and Bob all at Gordon and Susan's kitchen table. In which Bob is talking about a square and a rectangle.
Muppets:Kermit's lecture on rectangles(Cookie Monster:It's a wreck, and it's a tangle)
Susan reads "I have a Tree" to Sally
Film/Song:Baker #6(6 chicks,6 squares,6 flying things,6 cats,6 cameras,6 strawberry shortcakes)
Cartoon:Jazzy Spies #6
Skit:Buddy and Jim want to play checkers but one of their chairs in in the wrong position.
Film:Egg carton counting(11 eggs and 1 cookie)
Street Scene:Bob and a girl try to put 2 sets of 4 pictures of Buddy and Jim in the correct order/Gordon talking to some kids about the woods.
Film:"In the Woods"
Street Scene:Mr.Hooper tells Bob that LuLu's back in town and he wants him to pass it on to Susan to Gordon to Oscar.
Muppets/Song:Lulu's back in Town
Song:Susan sing "One of These Things"
Street Scene/Song:Lou Rawls sing the ABC's
Muppets:Kermit's lecture on tall and short featuring 2 black Snerfs
Film/Song:Baker #7(7 straws,7 circles,7 ducks,7 spooky spiders,7 nickels,7 pumpkin pies)
Muppets:Kermit's lecture on big and small featuring a big and small Beautiful Day Monster and Splurge from "Hey Cinderella"
Street Scene Bob presents the letter "L"
Cartoon:L, lunchbox(The guy opens up a red lunchbox and a clown pops out)
Cartoon:A guy talks about L for ladder(He climes up a ladder to get to the top of this big, green L but the ladder gets taken away by some speeding guys)
Street Scene:Gordon presents the letter "Q"
Claymation:Jim Henson's Q segment featuring a man named Quincy talking about Q(in which some frog-like creature turns into a queen and a quacking duck)
Street Scene:Mr.Hooper presents the letter "Y"
Cartoon:The Yellow Yahoo
Cartoon:Y, yo-yo(A man cut the string of a boy's yo-yo with sciccors and the boy uses the man as a yo-yo)
Street Scene:Susan says off-screen,"Sesame Street has been brought to you today by the letters,L,Q,and,Y and by the numbers,6,and,7.