Scooby-Doo, Where Are You!
S01E03 Hassle in the Castle
The group finds themselves stranded on an island that once served as a hideout for a notorious pirate. While exploring, they stumble upon a treasure map, but it comes with a cautionary message urging them to leave immediately. Their decision to stay proves perilous when they realize a ghost known as 'The Phantom' is hunting them down.
Season 1 Episodes
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2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
What a Night for a Knight
A Clue for Scooby-Doo
Hassle in the Castle
Mine Your Own Business
Decoy for a Dognapper
What the Hex Going On?
Never Ape an Ape Man
Foul Play in Funland
The Backstage Rage
Bedlam in the Big Top
A Gaggle of Galloping Ghosts
Scooby-Doo and a Mummy, Too
Which Witch is Which?
Go Away Ghost Ship
Spooky Space Kook
A Night of Fright is No Delight
That's Snow Ghost