CALL ME KAT: L-R: Mayim Bialik and guest star Jack McBrayer in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: L-R: Guest star Jack McBrayer, Mayim Bialik, Julian Gant, Cheyenne Jackson and Kyla Pratt in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: Guest star Jack McBrayer the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: L-R: Cheyenne Jackson, Mayim Bialik, guest star Jack McBrayer, Kyla Pratt and Julian Gant in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: L-R: Cheyenne Jackson, Mayim Bialik, Julian Gant and Kyla Pratt in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: L-R: Cheyenne Jackson, Swoosie Kurtz, Mayim Bialik and guest star Jack McBrayer in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: Swoosie Kurtz in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: L-R: Cheyenne Jackson and Mayim Bialik in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX

CALL ME KAT: L-R: Cheyenne Jackson and Mayim Bialik in the "Call Me Fatty Patty" episode of CALL ME KAT airing Thursday, Feb 2 (9:30-10:00 PM ET/PT) on FOX. ©2023 Fox Media LLC. CR: Lisa Rose/FOX