Ep 5. The End of Muscle Man

Mordecai and Rigby are back with another adventure in Regular Show season 9 episode 5 titled "The End of Muscle Man". In this episode, Muscle Man's body starts to malfunction, and he can't stop flexing, resulting in him transforming into a huge, muscular monster. As he grows bigger, he loses control over himself, and Mordecai and Rigby must come up with a plan to save their friend before it's too late.

The episode starts with Muscle Man bragging about his muscles as usual, but things take a turn for the worst when he starts to experience some unusual effects. His muscles begin to grow uncontrollably, and he can't stop flexing. He tries to keep it a secret at first, but it becomes hard to hide as he starts to transform into a humongous, muscular monster.

Mordecai and Rigby notice that something is wrong with Muscle Man and try to intervene to help him. They go to Benson, who instructs them to take Muscle Man to the morgue and have Dr. Henry treat him. However, things don't go as planned, and Muscle Man's uncontrollable strength causes chaos in the morgue, resulting in the three of them getting locked in.

Muscle Man's physical state continues to worsen, and the guys realize that they have to find a cure before it's too late. After some trial and error, they finally find a way to stop Muscle Man from growing any bigger, but the cure has a significant side effect, which complicates things even more.

As Mordecai and Rigby journey through the unknown, they meet a cast of new characters who aid them in their quest to cure Muscle Man. They encounter the deadly Stygian Beast, explore the land of Lolliland, and ride through the dangerous and eerie dimension they call the "Matrix." The journey is filled with obstacles and danger, but they manage to overcome them and find what they need to cure their friend.

In the end, Muscle Man's numerous friends, along with Mordecai and Rigby, come together to stop him from becoming a monster forever. The episode concludes with the gang successfully curing Muscle Man of his strange condition, bringing back their quirky, friend with a new appreciation for the value of his friends.

Overall, "The End of Muscle Man" is an exciting and humorous episode filled with action, adventure, and friendship. The Regular Show season 9 episode 5 has an enticing plot, a bit unpredictable, and with a great mix of humor, moral lessons, and drama. It is one of the many episodes from "Regular Show" that leaves you chuckling, biting your nails, or laughing out loud. Fans of the series will undoubtedly enjoy this episode's storyline, while new viewers will be left entertained and intrigued by the show's quirky humor and animation.