The robberies happened between 2:00 a.m. and 5:15 a.m. on Thursday, all committed at gunpoint.
Police released details on four of the robberies:
-2:28 a.m.: An unknown male approached the drive-thru window on foot of the McDonald's fast food restaurant located at 5945 Woodland Avenue and pointed a black handgun at the employee demanding money. The employee gave the offender $58 in cash and the suspect fled on foot South on 60th from Woodland.
-3:35 a.m.: An unknown male approached the drive-thru window on foot of the McDonald's fast food restaurant located at 5601 Vine Street and pointed a black handgun at the employee demanding money. The employee ran from the drive-thru window and the suspect fled in an unknown direction without taking any money.
-4:03 a.m.: Two unknown males entered the 7-11 located at 6375 Lebanon Avenue. The first suspect approached the employee with a handgun demanding money from the cash register. The suspects took $130 in cash from the cash registers and 100 packs of cigarettes. The suspects fled on foot West though the parking lot towards 64th St on Lebanon and North on 64th Street.
-5:12 a.m.: Two unknown males entered the 7-11 located at 1337 South 58th Street armed with handguns demanding money. The suspects forced the employees to open the registers and took $200 in cash and numerous packs of cigarettes and Lottery scratch off tickets. The employees believe the males got into an unknown vehicle that was parked across the street and fled.
Police want you to take a close look at surveillance images of the suspects. One man - who was seen in all of the crimes - was wearing a sweatshirt with the word "Texas" across the chest.
Another suspect was wearing a distinctive green and white striped sweatshirt.
A third suspect was wearing a blue sweatshirt.
Police believe the bandits were driving a dark-colored car. Investigators say they believe they've located that car and are questioning a woman, but so far they have not leads.
Anyone with information is urged to contact Philadelphia Police at 215.686.TIPS (8477) or online at phillypolice.com.