The New Adventures of Lassie - Season 2 - Eps 15: Mrs. Lee's Secret
When Mrs. Lee opens a letter that Zoe, Harvey and Lassie bring her, she learns that she is the last living heir to a former mining concession. When Mrs. Lee lets them read her journal from the period, the kids and Lassie set out in search of the abandoned mine to discover the "magnificent treasure" that the journal hints is hidden there.
About The New Adventures of Lassie

Title: The New Adventures of Lassie
First Air Date: 2014-01-19
Last Air Date: 2019-06-12
Status: Returning Series
Rating: 7.3/10 (from 3 votes)
Language: EN
Seasons: 2
Total Episodes: 52
Network: ZDF TF1
Genres: Animation, Kids, Comedy, Family
Production Companies: Superprod Animation, DQ Entertainment, DreamWorks Animation, Superprod
Synopsis
For generations, Lassie the beautiful collie has been known and loved by viewers all over the world. Once again she enters the homes of millions of viewers as she talks for the first time in a TV adventure series for children aged 6 to 9.
Cast

Maxime Jarquin

Matthew Géczy

Kaycie Chase

Dominic Gould

Mirabelle Kirkland