The Beast is Awake in Bottomless Lake is the first of three segments of Scooby's All-Stars. It was later repackaged as the sixteenth and final episode of the third season of the The Scooby-Doo Show, and the fortieth and final episode overall in the series.
While heading on a fishing trip up north, the gang get lost and find themselves in Canada. They decide to camp at Bottomless Lake, which is completely deserted. The gang get lost, and when Shaggy and Scooby decide to ask for directions, they find themselves chased by a horrible sea monster. The gang decide to head back into town after the beast disappears. When they arrive into the deserted town, Daphne spots a newspaper saying that millions of gold had been stolen from a nearby mine three weeks earlier. They meet a lumberjack in town, who tells them about the Beast of Bottomless Lake.
According to a legend, a beast is said to guard the lake, and if anyone fishes in it, the level of the lake will sink. The gang then to head to the market to stock up on food and supplies, where they meet Julie, the owner of the store's daughter. She warns them to stay away from the lake. When the gang reach the lake, they set up the camp, and head to sleep. They are awakened by thunder, only the sky is clear, meaning something suspicious is going on. They gang split up to look for clues; Fred, Velma, and Daphne go to look around, while Shaggy and Scooby stay at camp. The beast appears and begins to chase them. They think they have trapped it, but it has escaped through a trap door Velma discovered in one of the cabins. Fred, Velma, and Daphne search the tunnel, while Shaggy and Scooby are once again chased by the beast. When the gang meet up, they discover an inflatable pontoon in the water, a clue. They gang head back into town so they can find scuba gear to head into Bottomless Lake.
They discover a submarine at the bottom of the lake, full of crates and tanks. They trap the beast (along with Shaggy and Scooby) in a small room, where they are ejected into the lake from an airlock, and eventually into a stream. At the stream, there are henchman there ready to capture one of the crates. They are captured instead, along with the beast. The beast turns out to be Julie, who had stolen the gold out of the mine so she could smuggle it out of the country. She swam the gold down to the submarine, where she sent it out of the airlock into the underwater tunnel. The "thunder" the gang heard was the sound of the crates being shot off underwater. She, along with her henchmen, were arrested by the Canadian police.
- Chevaux Le Beau (single appearance)
- Mr. Taylor (single appearance)
- Canadian border guard (single appearance)
Monsters and other villains:
- Beast of Bottomless Lake (single appearance)(no lines)(disguise)/
- Julie (single appearance)
- Julie's henchmen (single appearance)
- Johnsons' cat (single appearance)(no lines)
Food and drinks:
- The Mystery Machine
|Chevaux Le Beau||Claimed he saw many strange things in the area. He said he leave the town but he came back.|
|Mr. Taylor||Grumpy. He was not scared away by the beast like the other fishers.|
|Julie||The Johnsons' cat ran away from her when she was supposedly the daughter.|
| Julie as the Beast of Bottomless Lake|
|To smuggle stolen gold.|
|Casey Kasem||Shaggy Rogers|
|Frank Welker||Fred Jones|
|Heather North||Daphne Blake|
|Patricia Stevens|| Velma Dinkley|
- This is the final segment of Scooby-Doo to air under the Scooby's All-Stars block. It is also both the third season finale and the series finale of the The Scooby-Doo Show.
- This was the last episode of Scooby-Doo to just feature the original Mystery Inc. members. Starting with the first episode of the next series, Scrappy-Doo is added. Fred and Velma would return as guest-stars in the 1980s before finally being re-added to the cast in 1988 for A Pup Named Scooby-Doo.
- When Julie refers to Scooby as a dog he asks where; this later became a recurring joke in the early direct-to-video films.
Inconstitencies/continuity errors and/or goofs/oddities
- After Scooby and Shaggy, wearing scuba diving suits, are shot out of the air lock into the lake, Daphne, Fred, and Velma follow them riding in a crate in an attempt to save them. They are only shown coming out of the pipe into the neighboring river, but there is nearly no way they could have made it across the lake and into the underwater pipe without scuba diving suits. They would've likely ran out of breath, and even if they could hold their breath for that long, the crate would've sunk (or floated to the top) before being pulled into the vacuum of the pipe. However, as they were shown completely dry when emerging from the pipe, it is likely the animators forgot about the pipe being completely underwater, or purposely ignored this in order to quickly transport the rest of the gang to the river to explain the crime.
In other languages
|Greek||Το Τέρας της Απύθμενης Λίμνης||The Monster of Bottomless Lake|
- Scooby-Doo, Where Are You!: The Complete Third Season DVD set released by Warner Home Video on April 10, 2007.
- Scooby-Doo, Where Are You!: The Complete Series (limited edition) DVD set released by Warner Home Video on November 9, 2010.
- Scooby-Doo, Where Are You!: The Complete Series DVD set released by Warner Home Video on November 21, 2011.
- Scooby-Doo, Where Are You!: The Complete Series DVD set released by Warner Home Video on November 13, 2012.
- Scooby-Doo! 13 Spooky Tales: Field of Screams DVD set released by Warner Home Video on May 13, 2014.
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