Beetle and Grundel find Cornelius' frozen body and learn of Thumbelina's wedding. When they leave Cornelius behind, a trio of friendly insects find and thaw Cornelius. At the wedding, Thumbelina finds herself unable to marry Mr. Mole after remembering Cornelius' promise to always love her. Grundel and Beetle arrive, and a chase ensues. Cornelius also arrives and engages Grundel in a fight. Jacquimo finds the Vale of the Fairies and takes Thumbelina there. She and Cornelius reunite, and she magically grows her own pair of wings upon accepting his proposal. With her mother and the fairy court in attendance, the two marry and depart on Cornelius' bumblebee.