While there are two series created by Louis C.K. that could fit your request, the season 1 finale of the FX series (2010), titled "Night Out," is the most widely discussed.
To his surprise, the character is a hit, leading to a profitable side gig performing at other children's parties—much to the chagrin of his wife, Kim. "Louie" Night Out (TV Episode 2010) - IMDb
After a grueling season of existential dread, awkward dates, and parenting mishaps, Louie decides he needs a break. The episode begins with a touch of classic awkwardness: his babysitter delivers a tearful plea that almost talks him out of going at all. Louie - Season 1Eps13
After the hired clown fails to show up for Lucy’s birthday party, Louie improvises as "Mr. Pizza Box Man" .
Louie eventually makes it out, attempting to break his personal rut by hanging out with fellow comics Godfrey and Ardie Fuqua. The night is a stark depiction of the lonely reality of stand-up life: While there are two series created by Louis C
He feels completely out of place at a dance club before retreating to the Eastville Comedy Club to perform a short set.
In what critics call a "perfect conclusion" to the freshman run, Louie returns home in the early morning. Instead of ending on a punchline, the season closes with a quiet, tender moment as Louie prepares a pancake breakfast for his daughters as they wake up. It’s a grounded reminder that despite his messy social life, he finds his center in being a father. Alternative: Lucky Louie (2006) "Louie" Night Out (TV Episode 2010) - IMDb
The episode features his trademark comedic philosophy on aging and the social shambles of life after divorce.