Sylvester's favorite hero will be back in action during Scorpion's second season.

'Scorpion' Season 2: 'Last Ship' Star Pulls Walter O'Brien Deep Under Water, Submarine Episode Coming

Super Fun Guy has popped up numerous times across the series' freshman run, and when the comic book's titular character isn't helping Ralph (Riley B. Smith) literally save lives, he is busy having episodes named after him.

Episode 5 of season 2 will be named "Super Fun Guys," according to Spoiler TV, and it's a safe guess that Sly's (Ari Stidham) childhood obsession will drop into the storyline once more. It is currently unknown whether Mr. Fun Guy will be merely referenced or if he will appear in cosplay or miniature form.

'Scorpion' Season 2: Paige's Secret Kiss Revealed In Premiere, How Will Walter React?

Scorpion is currently in the midst of filming episode 3, which is penned by Paul Grellong and is titled "Fish Filet." The season will open with "Satellite of Love" on Sept. 21, the summary for which is as follows:

"In the second season premiere, the new Director of Homeland Security Adriana Molina (guest star Alana De La Garza) reunites the team when a nuclear powered Russian satellite is knocked out of orbit and must be diverted before it detonates over Southern California," CBS teased. "Also, Paige (Katherine McPhee) and Walter (Elyse Gabel) must face their feelings for each other when hospital footage reveals that Paige kissed him."

Find out more when Scorpion returns to its Monday night 10 p.m. slot on CBS this fall.