W2W2nite 4/13/20: WarnerMedia Networks

Premieres Tonight @ 7 pm ET/PT on all WarnerMedia networks
Dancing, laughing and singing, Elmo and his friends enjoy a virtual playdate with celebrity guests Lin-Manuel Miranda, Anne Hathaway and Tracee Ellis Ross.
"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