Walt Disney and Ub Iwerks created a series of Alice Comedies (1923–1927), in which a live-action girl enters an animated world.
wˈɔlt dˈɪzni ænd ˈʌb ˈɪwɜːks kɹiːˈeɪɾᵻd ɐ sˈɪɹiz ʌv ˈælɪs kˈɑːmədiz nˈaɪntiːnhˈʌndɹɪd twˈɛnti θɹˈiː nˈaɪntiːnhˈʌndɹɪd twˈɛnti sˈɛvən, ɪnwˌɪtʃ ɐ lˈaɪvˈækʃən ɡˈɜːl ˈɛntɚz ɐn ˈænɪmˌeɪɾᵻd wˈɜːld.