Bear in the Big Blue House (1997)

S1E21 A Plant Grows in Bear's House

Bear and his friends—Ojo, Pip, Pop, Treelo, and Tutter—explore the theme of growth together. Pip and Pop decide to plant a seed and patiently watch it as it begins to sprout. Meanwhile, Tutter discovers that his baby clothes no longer fit, a clear sign that he has grown significantly.