Overview
- Chalamet said he discovered a "huge turd" in his trailer toilet on his final day shooting Interstellar.
- He recounted at a CNN & Variety town hall at the University of Texas that Nolan indicated Matthew McConaughey was responsible.
- According to Chalamet, McConaughey grinned and joked "souvenir," calling it a Texas coming‑of‑age prank.
- Interstellar (2014) starred McConaughey as Joseph "Coop" Cooper, with Chalamet playing his teenage son, Tom.
- Chalamet praised the film as his favorite project and credited McConaughey’s example on set with shaping his early career, while the story remains a lighthearted, participant‑reported anecdote.