Be Cool, Scooby-Doo! - Season 1 - Eps 12: Area 51 Adjacent
Daphne had always dreamed of meeting extraterrestrial life, but that dream becomes a nightmare when the gang gets caught up in the mystery of a scary alien monster and brought to Area 53 - a government facility so secret, it's two numbers higher than Area 51!
About Be Cool, Scooby-Doo!

Title: Be Cool, Scooby-Doo!
First Air Date: 2015-10-05
Last Air Date: 2018-03-18
Status: Ended
Rating: 8.053/10 (from 113 votes)
Language: EN
Seasons: 2
Total Episodes: 53
Network: Boomerang Cartoon Network
Genres: Comedy, Animation, Mystery, Kids
Production Companies: Warner Bros. Animation
Synopsis
The gang decide to go traveling in the Mystery Machine, seeking fun and adventure during what could possibly be their last summer break together. However, havoc-wreaking monsters seem to be drawn to them, appearing almost every stop of the way.
Cast

Matthew Lillard
Shaggy Rogers (voice)

Grey DeLisle
Daphne Blake (voice)

Kate Micucci
Velma Dinkley (voice)

Frank Welker
Fred Jones / Scooby-Doo (voice)