With the exception of the opening and/or closing theme sequences, these main characters did not appear in the following episodes of Fraggle Rock:

Gobo Fraggle

• Episode 119: The Great Radish Famine (mentioned)
• Episode 203: The Trash Heap Doesn't Live Here Anymore (mentioned)
• Episode 216: Junior Sells the Farm
• Episode 217: Fraggle Wars (mentioned)
• Episode 308: Believe It or Not
• Episode 316: The Battle of Leaking Roof
• Episode 322: Gunge the Great and Glorious (mentioned)

Uncle Traveling Matt

• Episode 119: The Great Radish Famine
• Episode 207: Mokey and the Minstrels (mentioned)
• Episode 216: Junior Sells the Farm
• Episode 217: Fraggle Wars
• Episode 310: The Secret Society of Poobahs
• Episode 401: Sprocket's Big Adventure
• Episode 402: Wembley's Wonderful Whoopie Water
• Episode 405: Junior Faces the Music
• Episode 501: Mirror, Mirror
• Episode 503: The Voice Inside
• Episode 506: Beyond the Pond
• Episode 507: Gone, But Not Forgotten
• Episode 508: Mokey, Then and Now
• Episode 511: The Gorg Who Would Be King
• Episode 512: The Honk of Honks

Wembley Fraggle

• Episode 216: Junior Sells the Farm
• Episode 316: The Battle of Leaking Roof
• Episode 410: Red's Blue Dragon

Mokey Fraggle

• Episode 114: The Challenge (mentioned)
• Episode 203: The Trash Heap Doesn't Live Here Anymore
• Episode 208: All Work and All Play
• Episode 308: Believe It or Not
• Episode 319: The Cavern of Lost Dreams
• Episode 322: Gunge the Great and Glorious (mentioned)

Boober Fraggle

• Episode 116: Capture the Moon
• Episode 208: All Work and All Play
• Episode 216: Junior Sells the Farm
• Episode 222: Doozer Is As Doozer Does
• Episode 308: Believe It or Not
• Episode 319: The Cavern of Lost Dreams
• Episode 322: Gunge the Great and Glorious
• Episode 410: Red's Blue Dragon

Red Fraggle

• Episode 203: The Trash Heap Doesn't Live Here Anymore
• Episode 316: The Battle of Leaking Roof

Sprocket

• Episode 223: Boober's Quiet Day (heard only)