I know you wanted some info. on where to find the trailer,I don't know offhand.I found the majority of the lyrics on SS lyric archive:
Big Bird: Grab a seat!
Elmo: Excuse Elmo. (he keeps saying this while he keeps passing the moviegoers by until we hear this)
Grover: ELMO???!!! I just washed the fur!
Elmo: Sorry.
(Sung)
All: Here's our theater
Here's our seats
That's the lobby
Singing Popcorn: We're the eats!
All: ...the tickets!
Oinker Sisters: Wo, wo, wo!
That's the exit where you go
All: And don't forget to watch the movie
Don't forget to watch the show
Baby Bear: Thank you very much for coming.
All: HELLO!!
(They start greeting the guests! "Hola!" "Greetings", etc.)
Remember--
Zoe: Don't talk!
Bert, Ernie, and the rest: (hushed) Don't talk
During the movie
(loudly) DURING THE MOVIE!
All: Don't smoke!
Don't smoke!
Benny Rabbit: Hey, it isn't legal!
All: It isn't legal
Telly: Don't litter
All: Throw away your trash
Oscar: (spoken) Movies are a lot more fun than ever!
All: (sung) And also, don't surf! Don't surf!
There is no water!
Elmo: THERE IS NO WATER??!????
All: Don't dance with a bear
Don't sing grand opera
Gladys The Cow: Moo-moo-moo-moo-MOOOOOOOOOOOOOOOO!
All: Don't munch on a chair!
Don't do this!
(RAT-A-TAT-A-TAT?)
Don't do that!
(HOOOOOOOOOOOONK!)
Don't do any of these!
Mumford: (spoken) A la peanut butter sandwiches!
(Everyone onscreen disappears -- well, almost everyone)
Count: And also...
All: (sung) Don't forget to watch the movie!
Don't forget to watch the show!
Elmo: (spoken) ENOUGH "DON'T"S!!!!
All: (sung) Don't forget to watch the movie!
Let's GO!
(spoken) LEEEEEEEET'S GO!!!
All: (chanting) Mo-vie! Mo-vie! Mo-vie! Movie! Mo-vie! Mo-vie! Mo-vie...