Many Shark Week enthusiasts were thrilled by Alien Sharks: Close Encounters, which aired Monday night.

Check Out What To Watch During This Year's Shark Week

Alien Sharks: Close Encounters was one of the more intrigued specials featured in Shark Week 2015. The special featured three expeditions setting out to learn more about special sharks that actually glow in the dark.

Shark Week watchers who saw the special tweeted their reactions to it, with many commenting on how fascinating it was.

With Alien Sharks now in the past, there are many other unique specials set to air throughout the week. Here are a few highlights to look forward to:

-Bride of Jaws

An 18-foot female great white shark with the moniker "Joan of Shark" is featured in this special. Three experts are set to go on a journey to find her in Western Australia. It airs Tuesday, July 7 at 9/8c.

-Ninja Sharks

This special centers on six very predatory sharks who are very good at what they do. As Discovery notes, the sharks are very adaptive, making them one of the deadliest creatures on the planet. The special airs Wednesday, July 8 at 10/9c.

-Shark Island

Shark Week concludes with Shark Island, in which scientists are trying to figure out the reasoning behind the multitude of attacks at Reunion Island. The island has become the most dangerous place in the world as far as shark attacks. The special airs Sunday, July 12 at 8/7c.