"Hermit Ren" is the first episode of Season 4.
- Ren Höek
- The Announcer Salesman (as The Hermit Union Worker)
- Mummified Bog Man
- Yak (Cameo)
- Oldman Farmer Höek
- Ren's Anger
- Ren's Fear
- Ren's Ignorance
- Jasper (as The Hermit Union Leader)
- Explody (cartoon)
Untamed World segment
- Kowalski (as a cop)
- Blue-Crested Biddies
- The Grey Tufted Old Fogey
- The Grizzled Curmudgeon
- Wilbur Cobb (as The Bandy-Legged Codger)
- The Doddering Old Fool
- The Wily Tree Geezer
Fed up with Stimpy's weird behavior and the whole world, Ren moves away and becomes a hermit, but starts to go insane from the isolation. Meanwhile, Stimpy makes a replica of Ren from his earwax.
- Although uncredited, this is the first episode to feature Craig Bartlett in the voice cast.
- This is the only 22-minute episode in Season 4. Season 5 would also have only one 22-minute episode, as a 1995 Christmas special entitled, A Scooter for Yaksmas.
- In this episode, Ren and Stimpy's house is an upside down cow.
- The snake on the tree from the Untamed World segment is watching the Muddy Mudskipper Show.
- Ren has been gone for 10 years as he says in the end.
- In the Untamed World segment, when Stimpy flips the page to The grey tufted Old Fogey, He has a human hand and his white glove isn't showing.
- Ren yelling his "Noooooooooooooooooooooooo!" scream was reused from Sven Hoek, an episode that John Kricfalusi wrote for the series before his firing from Nickelodeon. Ren's yell was voiced by John Kricfalusi, even though, that episode (not Sven Hoek) was not an episode drafted from Spümcø.
- Craig Bartlett is not credited in the voice cast at the end credits for voicing Oldman Father Hoek.
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