Billy came in through the same entrance at the Youth Center that Zack and Jason left through, so he should have seen them and joined in the Putty fight. (06:54)
Kimberly and Trini did not react to the deactivated Alpha 5, clearly in the range of their vision, until Zordon mentioned him. (10:06)
The Rangers easily teleported into the Dark Dimension, when previous times it was impossible or required a special device. (11:11)
When Billy, under Rita's spell, took the Dragon Dagger to Goldar in the Dark Dimension, the captured parents weren't there. (11:12)
The Dragonzord summons was briefly repeated halfway through the second playing. (13:53)
Although the new Megazord assembly seemed to bypass the Tank Mode formation, a shot of the Mastodon completing the Tank Mode and then the Tank Mode coming to a stop were included in the Megazord formation sequence. (15:18)
The Megazord was holding the Power Sword when it fell onto the building, but it wasn't holding it in the previous or following shot. (16:06)