Alegrijes y Rebujos (English title: Don Darvelio's Secret) is a Mexican children's telenovela produced by Rosy Ocampo for Televisa.

Alegrijes y Rebujos follows the story of the ghost of an eccentric millionaire, Don Darvelio, who is said to haunt the mansion.

To their amazement, the children discover Don Darvelio is not dead, and he is the one who has been "haunting" the mansion for the last few years.

However, he becomes seriously ill with the arrival of Helga, his wicked ex-wife, who wants to take over the mansion and destroy the dreams and love the old man has created.

In order to overcome Helga and her mean allies, the "Rebujos" (or Grumpies), the children must employ their best values: friendship, truthfulness, fair competition, love, and happiness.