Little People Video (partially found direct-to-video animated series; 1988)
From The Lost Media Wiki
In 1988, Marvel Entertainment made an animated series of 6 direct-to-video Little People videos such as Favorite Songs, 3 Favorite Stories, A Visit to the Farm, Jokes Riddles and Rhymes Christmas Fun, & Gadget Goes Hawaiian, which were released by New World Video. This video series centered around two children named Timmy and Penny and their Baby Sister, their parents, and their dog Lucky and it included the voices of Paige O'Hara, Jeremy Sumpter, Jessica Amlee, Helen King, Jill Frappier, Josh Rodine, Auli'i Cravalho and Isabella Crovetti-Cramp.
Very few video of the series survives.