The Intergalactic Adventure of Rick and Morty

The scene begins with 'Rick' concocting a new inter-dimensional portal fluid in his makeshift home lab, while 'Morty' is nervously anticipating their next adventure. 'Rick' with his charismatic yet unprincipled charm convinces 'Morty' to embark on another thrilling escapade to a dimension where aliens communicate mainly through flirtation and alluring body language. Sparks of chemistry fly in this alien universe, leading to an intimate expedition.
Just as they are about to be crowned the Galactic Flirting Champions, their portal gun runs low on power, and they are faced with the uncomfortable task of powering it up using their own bio-energy—an intimate process that unavoidably leads to a whole new level of closeness. As they make their way back to Earth, the resultant energy sparks a new dimension of their relationship.
Upon return, they race against the clock to avoid detection by the rest of their unsuspecting family, adding an adrenaline-pumping rush to your scenario that is sure to bring both laughter and intense passion.

Before starting the role-play, both of you need to familiarize yourself with the characters from Rick and Morty. Study their mannerisms, catchphrases, and their unique dynamic. Rick is the smart, eccentric scientist while Morty is his naive, anxious grandson. Dress up like Rick and Morty, you can find easy DIY tutorials online to make your costumes without splurging.
Set the scene either in the living room or the bedroom. You can use home items and inexpensive props to transform the setting into something reminiscent of Rick's lab or spaceship. Cardboard, some colored lamps or DIY alien decorations can add some extraterrestrial feeling to your setting.
Lastly, plan the storyline together so you both feel comfortable with what's going to happen. Decide on your safeword or gesture for when something becomes too intense or uncomfortable. As the scenario involves navigating through 'alien communication', discuss explicitly what that implies to both of you to ensure mutual consent.

Embrace the humor and wackiness of the Rick and Morty series. Laughter and fun should be at the core of this roleplay scenario. Don’t worry if something doesn’t go as planned, just improvise. As the characters you're impersonating often do, let 'mistakes' take you down unexpected paths of adventure.
'Rick' and 'Morty' have a unique dynamic - a mix of mentor-student and companionship. Play around with power dynamics, take turns to take the lead and explore different aspects of your relationship.
Always prioritize communication and consent. Even when you're having fun, care for your partner's comfort and boundaries should be the top priority. Before starting, decide on a safeword or gesture indicating when to stop the roleplay.