In 2004 the duo of Michalis Reppas and Thanasis Papathanassiou presents at the National Theater a show that will cut many tickets and will be repeated next year. It is entitled "Which Eleni?".
| Directing | Michalis Reppas | Director |
| Directing | Thanasis Papathanasiou | Director |
| Writing | Michalis Reppas | Writer |
| Writing | Thanasis Papathanasiou | Writer |
| Crew | Fokas Evangelinos | Choreographer |
| Costume & Make-Up | Evelyn Sioupi | Costume Designer |