All on-screen ratingsMarlin Sims
On-screen PSR
Marlin Sims
Reported challenge history for Marlin Sims. Numbers are appearance-specific — a later return does not rewrite an earlier rating.
These are broadcast ratings reported for the show — not PSR Expert's calculator, and not an official Discovery database.
PSR trajectory
Entry and final ratings across challenges, when recorded. Most appearances have only the entry rating; where a final is known it can move either way.
Appearances
| Series | Challenge | Air date | Days | PSR | Result | Verification | With |
|---|---|---|---|---|---|---|---|
| Naked and Afraid | Hit by Hippos | 2024-04-21 | — | entry 6.6 | Unknown | Secondary source | Erin Heim |
Sources
- nakedandafraidfan.com/episodes/173 · 2026-08-10