- Country: Belgium, USA
- Genres: Adventure, Animation, Comedy
- Release: 1989-09-09
- Director: Oscar Dufau , Don Lusk , Jay Sarbry , Paul Sommer
- Writers: Glenn Leopold , Sean Catherine Derek , Ernie Contreras , Reed Robbins
- Language: English
- Stars: Charles Adler (I) , Jack Angel (I) , Bob Arbogast , Jered Barclay , Michael Bell , Michael Bell , Gregg Berger , Lucille Bliss , Susan Blu , Ruth Buzzi , William Callaway , William Callaway
- Runtime: 22 min
- Awards: N/A
- AKA: Smurfs That Time Forgot: Part 1/Smurfs That Time Forgot: Part 2 (United States of America)
- Plot:
A prehistoric baby dinosaur is brought through time to the present and the Smurfs try to return him with the help of a magic key.
- IMDB:tt1348849
The Smurfs Season 9 Cast
Oscar Dufau
Director
Don Lusk
Director
Jay Sarbry
Director
Paul Sommer
Director
Charles Adler
(I)
Natural 'Nat' Smurfling
Jack Angel
(I)
Additional Voices
Bob Arbogast
Additional Voices
Jered Barclay
Additional Voices
Michael Bell
Handy Smurf
Michael Bell
Lazy Smurf
Gregg Berger
Additional Voices
Lucille Bliss
Smurfette
Susan Blu
Nanny Smurf
Ruth Buzzi
Additional Voices
William Callaway
Clumsy Smurf
William Callaway
Painter Smurf