 Tommy (Jason David Frank), Adam (Johnny Yong Bosch), Katherine (Catherine Sutherland), and Tanya (Nakia Burrise) are relieved of their duties as Power Rangers at the end of episode 19, and they choose their replacements as T. J. Johnson (Selwyn Ward), Carlos Vallerte (Roger Velasco), Cassie Chan (Patricia Ja Lee), and Ashley Hammond (Tracy Lynn Cruz).Bulk (Paul Schrier) and Skull (Jason Narvy) are turned into monkeys by Elgar in episode 1 and stay that way until the end of episode 17.Then they spend the next three episodes invisible, before returning to their usual selves at the end of episode 20, with Bulk and Skull then spending the rest of the season trying to hold down a job.