It happened at back on September 5th outside of Spanky's Pub on the 4600 block of Umbria Street.
The victim, a 32-year-old male, was standing outside of the bar at 3 a.m. when he began arguing with the suspect.
The argument became physical and police say the suspect hit the man on the head and knocked him unconscious.
Click here to watch the surveillance video
The victim was transported to Temple University Hospital where he spent several days in the ICU.
Police are also searching for several possible witnesses who were caught on surveillance video inside the bar prior to the assault.
Anyone with any information on this crime is asked to call police at 215.686.TIPS (8477) or text a tip to PPD TIP (773847).
You can also submit an anonymous tip online at PhillyPolice.com.