W2W2nite 2/2/22: Comedy Central

Stan, Kyle, Cartman and Kenny do not get to wear their pajamas to school on the most important day of the year in the season 25 premiere of “South Park,” appropriately titled “Pajama Day,” airing on Wednesday, February 2 at 8:00 p.m. ET/PT on Comedy Central.
After failing to show respect for their teacher, PC Principal revokes Pajama Day privileges for the entire 4th grade class. Cartman is distraught. The kids aren’t going to stand for it but PC Principal refuses to back down.
All-new episodes will be available to stream in HD on SouthPark.CC.Com, CC.Com and the Comedy Central App post-premiere on Comedy Central. The 25th season will premiere Wednesday night at 8:00 p.m. with repeats later that night at 8:30p.m., 9:00p.m., 9:30p.m., 10:00p.m. and 10:30p.m. (all times ET/PT).
"There are also other characters that come and go (also owned by the Warner Bros. Discovery conglomerate media company)."
Huh. Is that just referring to other characters from the show itself, or is this implying that the new season is going to have cameos from other WBD IPs