While Kyle Schwartz is primarily remembered for his debut episode, his footprint spans background cameos, deleted sequences, and major canonical events across multiple decades.
| Appearance Title | Air / Release Date | Character Role | Narrative Consequence |
|---|---|---|---|
| Season 5, Ep. 11 ("The Entity") | November 21, 2001 | Central Antagonist / Guest | Introduced as Kyle's cousin; walks away with a massive government payout. |
| Season 6, Ep. 6 ("Professor Chaos") | April 10, 2002 | Contestant / Cameo | Auditions to replace Kenny as the fourth friend; rejected quickly. |
| Season 11, Ep. 14 ("The List") | November 14, 2007 | Background Listing | Appears at the very bottom of the fourth-grade girls' attractiveness list. |
| South Park: Post COVID | November 25, 2021 | Adult Supporting Character | Revealed as a wealthy, married investor; attends Kenny McCormick’s wake. |
| Post COVID: The Return of COVID | December 16, 2021 | Adult Supporting Character | Participates in the altered future timeline; maintains his family life and wealth. |
