Maybe the mom had other commitments or the plot didn't require her presence this time around.
It could be for a variety of reasons. Maybe the story needed a new dynamic or there were scheduling conflicts. Sometimes creative decisions are made to give the story a fresh twist.
There could be various reasons. Maybe the story didn't require Randy's presence to progress the narrative, or they wanted to shake up the dynamics and introduce new characters instead. It's all part of the creative process behind the movie.
Maybe the scriptwriters had a different storyline in mind and didn't find a suitable role for Randy this time.
It could be that the script or the director's vision didn't call for her character this time around. Or perhaps she simply wasn't interested in reprising the role.
Maybe she had scheduling conflicts or personal reasons that prevented her from being in it.
Maybe she had scheduling conflicts or personal reasons that prevented her from being in the movie.
Maybe it's due to scheduling conflicts or changes in programming decisions by the TV networks.
Maybe she had other commitments or was out of town for some reason.
It could be that the focus of the story shifted away from the mom this time around. Maybe the creators wanted to explore other characters or storylines and didn't have much space for her.
Maybe there were scheduling conflicts or creative decisions made by the filmmakers. It's hard to say for sure.