After the Red Ranger destroys the Sword of Darkness, the Green Ranger reverts back to Tommy as he lies on the ground. If you look closely, you can see he is wearing his green Power Rangers communicator on his wrist. However, Tommy does not get his communicator until the finale of this episode when Billy gives it to him in the Command Center.
When the Rangers unmorph on the beach near the end, when Tommy has been freed from Rita's spell, Billy's clothes are different than what we was wearing before he became the Blue Ranger and what we wore in the entire story. Later in the Command Center, Billy is again wearing the same clothes he wore previously this part of the story.
When the megazord swings the dragonzord by it's tail into a mountain, you can see the mountain top rise up and split into 3 pieces just before the dragonzord crashes into it.
In the Juice Bar, a news report on its TV features footage of Rita Repulsa at her palace. However, this would be impossible for the media to attain since her palace is on the moon.