Wanneer de grootmoeder besluit dat het tijd is om de familiezaken op orde te brengen, beginnen de gevechten om het huis te erven. (Een vervolg op Oma's bruiloft.)
Ja! de film El testamento de la abuela is nu beschikbaar om te kijken op Netflix in Nederland.
| Production | Luis Arrieta | Producer |
| Production | Max Blasquez | Producer |
| Production | Javier Colinas | Producer |
| Production | Carla Farell | Executive Producer |
| Production | Alex García | Associate Producer |
| Production | Mónica Gorbea | Associate Producer |
| Production | Sandro Halphen | Producer |
| Production | Gustavo Montaudón | Executive Producer |
| Production | Xabier Saavedra | Associate Producer |
| Production | Javier Salgado | Executive Producer |
| Production | David Schmitter | Associate Producer |
| Production | Carlos J. Terroba Wolff | Executive Producer |
| Production | Gustavo Baeza Vila | Line Producer |
| Production | Eckehardt Von Damm | Producer |
| Crew | Marcia Valverde | Cinematography |
| Directing | Javier Colinas | Director |
| Writing | Adriana Pelusi | Screenplay |
| Writing | Miguel García Moreno | Screenplay |