Great news! I finally found a list of the bonus segments! Here's the site:
http://video.barnesandnoble.com/search/product.asp?z=y&EAN=891264001182&itm=2
SEASON SIX
Telephone Rock
Richard Pryor: Alphabet
Here is Your Life, Loaf of Bread
Arthur Ashe: Over/Under
Magic Pig Calypso Song
Don Music: Mary Had a Little Lamb
Pointer Sisters: Swingin' Alphabet
Super Grover: Stopping the Fight
Henson Ball High Wire #3
Richie Havens: Wonder Child
Twiddlebugs: Postage Stamp
Subway Song
Jose Feliciano: Arroz con Leche
Chicken Hatching
Kermit News: Jack Jumps Over Candlestick
Helen Reddy: Grow
Broom Adventures
City/Country Song
Season 6 Credit Crawl
SEASON SEVEN
*NOTE: Judy Collins' song did indeed make it to the episode.
Pinball Number Count #4
Kermit and the Weather Salesman
Buffy Sainte-Marie: Wynkin Blynkin & Nod
Don Music: Yankee Doodle
Alone Song
Marshall Grover: Away From
Grover Invents the Wheel
Follow the Leader
Pinball Number Count Remix #1-12
Season 7 Credit Crawl
SEASON EIGHT
Cookie Monster Disco Song
Paul Simon: Me and Julio
All Out of Food
Lobster Fisherman
Dog Flea Camp
Bert's Physical
Too Doors with Bob
Swamp Mushy Muddy
Season 8 Credit Crawl
SEASON NINE
It Feels Good When You Sing a Song
Bert and Ernie: Slice of Life
Ray Charles: I Got a Song
Fonzie and Cunningham: Brushing Teeth
Taxi Sounds
School Pageant: Seasons
Madeline Kahn: Sing After Me
Fireworks Alphabet
Ten Commandments of Health
Season 9 Credit Crawl
SEASON TEN
Grover Disco: Alphabet Song
Kermit Casting Director
Imagination: Dogs
Llama at Dentist Song
Bert Teaches Pigeon Checkers
Lost Dog Flyer
My Favorite Number is Six
Old West: Letter Y Box of Crayons
Season 10 Credit Crawl
Overall, this set definitely doesn't dissappoint. According to the article, there is also a hidden feature on disc 3.