The facade was decorated with valuable statues. The decoration of the facade of the hyposcaneium was very beautiful. This section has also been recently restored. The serpentine column and the marble wall are remarkably impressive. The citizens of Hierapolis had to spend a lot of effort in order to complete this theatre lavishly decorated. Nevertheless, they were unable to come to an end of the works as we see unfinished columns. According to an inscription of the architrave, the facade of the stage having been though weak, it underwent restoration in 352 AD.
The orchestra of the theatre was transformed into a pool where water exhibitions took place. Leaned against a high hill the lower diazoma comprised 20 rows of seats and the upper diazoma 25, 45 in all, of which 30 remain today .8 corridors with steps separate the rows of seats. The facade of the stage had five doors were in niches stood statues six in number. These faced the 10 columns. The mythological scenes represented on the stage have similar traits with those at the theatre of Perge.