South ParkS21 E4Who Invited Him Here?
The entire town goes to the police for help with Mark Zuckerberg, but realize they invited this upon themselves.
South ParkS21 E4Facebook Says Its True
As Mark Zuckerberg shows the people of South Park how unblockable he is, Coon and Friends devise a plan to defeat him.
South ParkS21 E4You're Both Grounded
After learning of all the trouble Butters has caused, Stephen does some serious grounding.
South ParkS21 E4It's Civil War
After defeating Professor Chaos and Facebook, the Coon and Friends can't agree on their franchise plan and decide to go their separate ways.
South ParkS21 E5Surprise, Grandpa!
Grandpa uses the special power of Hummels to take down Ms. McGullicutty and her gang.
South ParkS21 E5I Don't Want Cake!
There's an unfortunate death at Marcus' birthday party.
South ParkS21 E5Did You Bring Grandpa a Present?
Stan visits his Grandpa at the retirement community and gets tricked into running an errand for him.
South ParkS21 E5Marcus is On the Warpath
Marcus is looking for the source of the drugs killing beloved entertainers. Meanwhile Stan, Cartman, Kenny and Kyle realize they may have been duped by Grandpa Marsh.
South ParkS21 E5Do What She Says
While confronting his grandpa about the drugs, Stan meets Ms. McGullicutty.
South ParkS21 E5A Concerned Member of the Public
The coroner tries to discover the reason behind the latest entertainers' death in South Park. After the autopsy, Marcus makes a startling discovery.
South ParkS21 E5It's Like We Threw Grandpa Away
Stan and Randy discuss Grandpa Marsh's living arrangements. Meanwhile, Butters and Kyle make the next "delivery" for Stan.
South ParkS21 E5I Will Bring You Down
Marcus threatens to expose Stan as the source of all the opioids flooding South Park.
South ParkS21 E5Something Stinks
Randy and Sharon stop by to visit Grandpa Marsh and have a run in with Ms. McGullicutty.
South ParkS21 E5Old People Pushing Pills
Stan begs Cartman, Kenny, Butters and Kenny to help him save his Grandpa. Cartman comes up with a plan.
South ParkS21 E5You've Got to Squeal
After another "celebrity" overdoses at a birthday party, Marcus races to find the truth.
South ParkS21 E5Another Kids Choir
While Cartman, Kenny, Kyle and Butters entertain the residents of Shady Acres, Stan sneaks into Ms. McGullicutty's room.
South ParkS21 E5He Was Just a Mouse
Marcus catches Stan red handed, trying to steal Ms. McGullicutty's Hummel collection. After trading accusations, they realize they are both after the same thing.
South ParkS21 E5Solitaire
Ms. McGullicutty gets her comeuppance. Meanwhile, Marcus goes after the people who profit from addiction.
South ParkS21 E6Butter Him Up, Butters
Stan, Kenny, Butters and Kyle learn more about their dads' Witch group. With the new information, they turn to another Witch who may be able to help.