After Sinbad does his dolphin impression, he stands with his arms around Jax's neck. When Nick comes in, Sinbad's arms are by his sides.
When Sinbad answers the door to the Furies in his apartment, the blonde Fury is on the left. In the next shot she has switched places with the Fury on the right.
Jax calls the god Dionysus "she." Dionysus is male.