Sheldon makes a terrifying mathematical discovery while tutoring Billy. Also, Mary is jealous of Missy's relationship with Mandy and MeeMaw.
Elenco:
Iain Armitage
,
Zoe Perry
,
Lance Barber
,
Montana Jordan
,
Raegan Revord
,
Annie Potts
,
Jim Parsons
,
Emily Osment
.