Eight years after the first installment, Ailén, Fernando, and Nina, meet again in the BAFICI competition. From that reunion, they decide to resume their unfinished project: Tandil/Tromso. They bring along two new collaborators: Martín and Nancy.
Unfortunately the movie Upa! 2: El regreso is not yet available on HBO Max.
| Directing | Santiago Giralt | Director |
| Directing | Camila Toker | Director |
| Directing | Tamae Garateguy | Director |
| Writing | Santiago Giralt | Writer |
| Writing | Camila Toker | Writer |
| Writing | Tamae Garateguy | Writer |
| Crew | Connie Martín | Cinematography |
| Crew | Nacho Aveillé | Cinematography |
| Sound | Emisor | Music |
| Sound | Guillermo Picco | Sound |
| Sound | Pablo Gamberg | Sound |
| Editing | Andrés Quaranta | Editor |
| Editing | Wenchi Bonelli | Editor |
| Art | Laura Felgueras | Art Direction |
| Production | Santiago Giralt | Producer |
| Production | Camila Toker | Producer |
| Production | Tamae Garateguy | Producer |
| Production | Federico Carol | Executive Producer |
| Production | Federico Carol | Post Production Coordinator |
| Costume & Make-Up | Pablo Bernard | Wardrobe Coordinator |
| Sound | Datarock | Music |
| Costume & Make-Up | Emmanuel Miño | Makeup & Hair |
| Costume & Make-Up | Silvia Canosa | Makeup Artist |
| Costume & Make-Up | Diego Fraile | Hairstylist |
| Art | Arturo Peruzzotti | Graphic Designer |
