8.8/1017 votes#1 - The D.E.N.N.I.S. System
Season 5 Episode 10 - Aired 11/19/2009
Dennis reveals his foolproof system for seducing any woman to the rest of the gang, but they don't grasp the concept.
Director: Randall Einhorn
Writer: Rob Rosell
8.7/1023 votes#2 - Sweet Dee's Dating a Retarded Person
Season 3 Episode 9 - Aired 10/11/2007
Dee gets involved with a famous local rapper who might be mentally challenged, and whose success inspires the rest of the gang to start a band.
Director: Jerry Levine
Writer: Rob Rosell
8.7/1019 votes#3 - The Gang Dances Their Asses Off
Season 3 Episode 15 - Aired 11/15/2007
In the season finale, Charlie accidentally puts Paddy's up as a prize for a dance marathon, which prompts the gang to enter the competition in order to save their bar.
Director: Matt Shakman
Writer: Rob Rosell
8.6/1019 votes#4 - Frank Sets Sweet Dee On Fire
Season 3 Episode 8 - Aired 10/4/2007
Mac teams up with Frank and Charlie to create a public access newscast after he misses his chance at fame in the news. Meanwhile, Dennis and Dee try to make it big in the club scene.
Director: Fred Savage
Writer: Rob Rosell
8.5/1019 votes#5 - The Gang Solves the North Korea Situation
Season 3 Episode 6 - Aired 9/27/2007
A Korean restaurant owner threatens to get Paddy's kicked off the route for the city's annual pub crawl. The gang's response: War.
Director: Fred Savage
Writer: Rob Rosell
8.5/1017 votes#6 - The Gang Gets Whacked (2)
Season 3 Episode 13 - Aired 11/1/2007
While paying off their debt to the mob, Charlie and Dee try to find a way to make fake cocaine in order to fool them, while Dennis ranks in thousands of dollars being pimped out at the local country club. Mac realizes his position as a mob informant isn't being utilized to its full potential.
Director: Matt Shakman
Writer: Rob Rosell
8.5/1018 votes#7 - The Gang Gives Frank an Intervention
Season 5 Episode 4 - Aired 10/8/2009
Frank's behavior is more bizarre than usual---so bizarre that even the gang notice---so they decide to stage an intervention.
Director: Fred Savage
Writer: Rob Rosell
8.5/1017 votes#8 - Mac and Dennis Break Up
Season 5 Episode 9 - Aired 11/12/2009
Mac and Dennis decide that they need to spend some time away from each other. Meanwhile, Charlie helps Dee search for her cat.
Director: Fred Savage
Writer: Rob Rosell
8.5/1011 votes#9 - The Gang Group Dates
Season 10 Episode 2 - Aired 1/21/2015
The gang gets into the online dating scene to expand their matchmaking potential.
Director: Richie Keen
Writer: Rob Rosell
8.3/1023 votes#10 - Who Pooped the Bed?
Season 4 Episode 7 - Aired 10/9/2008
Charlie and Frank awake to find poop in their bed. Neither will confess to being the owner, so they, Mac, and Dennis try to scientifically deduce who dropped the deuce. Dee wants to do something a bit more sophisticated, so she invites the waitress and Artemis to a girls' night out.
Director: Fred Savage
Writer: Rob Rosell
8.3/1018 votes#11 - Dennis Reynolds: An Erotic Life
Season 4 Episode 9 - Aired 10/23/2008
After discovering Dennis' erotic memoir, Mac and Frank attempt to make some money off of it. Meanwhile, Dee and Charlie decide to spend a day in each other's shoes.
Director: Fred Savage
Writer: Rob Rosell
8.3/1020 votes#12 - Sweet Dee Has a Heart Attack
Season 4 Episode 10 - Aired 10/30/2008
After Dee suffers a heart attack, she and Dennis try to live a healthier lifestyle. Meanwhile, Charlie and Mac take corporate jobs to get health insurance.
Director: Matt Shakman
Writer: Rob Rosell
8.2/1017 votes#13 - The Gang Gets Whacked (1)
Season 3 Episode 12 - Aired 11/1/2007
After stumbling upon a kilo of cocaine, the gang is forced to pay off a $25,000 debt to the mob. Mac becomes a mob informant, while Frank pimps out Dennis as an escort at the local country club. Charlie stumbles upon an opportunity to sell illegal narcotics.
Director: Matt Shakman
Writer: Rob Rosell
8.2/1020 votes#14 - Paddy’s Pub: The Worst Bar in Philadelphia
Season 4 Episode 8 - Aired 10/16/2008
A newspaper critic is kidnapped by the gang after he calls Paddy's pub the worst bar in Philadelphia.
Director: Matt Shakman
Writer: Rob Rosell
8.2/1014 votes#15 - Mac's Big Break
Season 6 Episode 4 - Aired 10/7/2010
Mac finally gets his big break after correctly answering a trivia question on the radio. While Frank, Dennis, and Dee take their bar-banter to the internet with their own podcast.
Director: Randall Einhorn
Writer: Rob Rosell
8.1/1015 votes#16 - The Gang Wrestles for the Troops
Season 5 Episode 7 - Aired 10/29/2009
The gang puts together a wrestling show for returning troops. Meanwhile, Dee finally meets the soldier that she has been communicating with over the internet.
Director: Randall Einhorn
Writer: Rob Rosell
8.1/1016 votes#17 - Frank's Pretty Woman
Season 7 Episode 1 - Aired 9/15/2011
With Frank intent on marrying a prostitute, The Gang tries to make the best of it by attempting an image makeover to uncover the heart of gold that exists deep inside Frank’s “pretty woman.”
Director: Matt Shakman
Writer: Rob Rosell
8.0/105 votes#18 - Risk E. Rat's Pizza and Amusement Center
Season 16 Episode 6 - Aired 7/5/2023
The gang goes to Risk E. Rat's, finding it updated with safety and overcautiousness. Dee takes Frank on a scavenger hunt to find risqué jokes hidden throughout the establishment. Mac plays Skee-Ball to win tickets for a prize.
Director: Nina Pedrad
Writer: Rob Rosell
7.9/1010 votes#19 - The Gang Buys a Roller Rink
Season 15 Episode 3 - Aired 12/8/2021
In the past, an innocent Dennis learns the horrifying details of Frank's business, a truly sweet Dee is excited to head off for Hollywood, while Charlie and Mac's jobs at the roller rink are in jeopardy.
Director: Richie Keen
Writer: Rob Rosell
7.8/1015 votes#20 - Charlie Kelly: King of the Rats
Season 6 Episode 10 - Aired 11/18/2010
Keeping the basement rodent-free drives Charlie to the brink. The gang throws Charlie a surprise party.
Director: Matt Shakman
Writer: Rob Rosell
7.8/1015 votes#21 - Prince
Season 3 Episode 14 - Aired 2/2/2014
Jess is ready to paint the town purple when a chance encounter finds her and best friend Cece invited to a once-in-a-lifetime mansion party thrown by music legend Prince. Not wanting to miss out on the fun, Nick, Schmidt, Winston and Coach are determined to crash the festivities, building toward an Unforgettable ending.
Director: Fred Goss
Writer: Rob Rosell
7.7/1013 votes#22 - Mac's Mom Burns Her House Down
Season 6 Episode 6 - Aired 10/21/2010
Mac's mother is left homeless after she burns down her house, which leaves Charlie and Mac with no choice but to make new living arrangements; when Dee feels under the weather, Frank tries to muster his paternal instincts to care for her.
Director: Matt Shakman
Writer: Rob Rosell
7.7/1013 votes#23 - Shark
Season 4 Episode 12 - Aired 1/6/2015
Nick and Coach become concerned when they meet Winston's new training officer; Jess uses Schmidt in hope of influencing a councilwoman to stop the night construction taking place outside the loft.
Director: Alex Hardcastle
Writer: Rob Rosell
7.6/1010 votes#24 - Charlie's Mom Has Cancer
Season 8 Episode 6 - Aired 11/15/2012
Mac, Charlie and Dee struggle with their faith as Charlie's mom fights cancer. Meanwhile, Frank loses his memory amidst a search for buried treasure.
Director: Richie Keen
Writer: Rob Rosell
7.6/105 votes#25 - Dee Sinks in a Bog
Season 15 Episode 7 - Aired 12/22/2021
Mac spends a day at the seminary to truly understand what it takes to become a priest. Dennis and Frank plan an elaborate trap to humiliate Charlie's pen pal. Dee prepares for a date with an Irish doctor. Charlie bonds with his pen pal.
Director: Pete Chatmon
Writer: Rob Rosell
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Rob Rosell Ratings Summary
"The D.E.N.N.I.S. System" is the best rated episode written by Rob Rosell. It scored 8.8/10 based on 17 votes. It was directed by Randall Einhorn. It aired on 11/19/2009 and is rated 0.1 points higher than their second-best episode, "Sweet Dee's Dating a Retarded Person".