Uploaded August 2026 | Updated September 2026, 2 weeks ago

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Revisit the best moments from SNL's recurring character Mary Katherine Gallagher, from her debut appearance in the St. Monica’s High School Talent Auditions to popular sketches featuring guests like Will Ferrell, Amy Poehler, Jimmy Fallon and more.

Saturday Night Live. Stream now on Peacock: pck.tv/3n1IyzK

St. Monica's High School Talent Auditions | youtu.be/OY2bBzz5kwc
St. Monica's Spelling Bee | youtu.be/JQ2Y11KbonE
Mary Katherine Gallagher at TGI Fridays | youtu.be/wsmy3tspZdQ
Mary Katherine Gallagher Wants to Join a Gang | youtu.be/HVTgNgjHCp8
Mary Katherine & Lenny | youtu.be/V2AaKAAdd5E

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