Happiness Is...Peanuts: Snow Days 2011
as Lucy van Pelt
Bon Voyage, Charlie Brown (and Don't Come Back!) 1980
as Peppermint Patty (voice), as Lucy van Pelt (voice)
She's a Good Skate, Charlie Brown 1980
as Lucy van Pelt (voice)
It's Your First Kiss, Charlie Brown 1977
as Peppermint Patty (voice)
Credits from TMDB.