Sledge Hammer! (1986)

S1E19 Sledgepoo

Hammer's investigation into a jewel thief takes him to a high-end beauty salon, where the thieves strike while the wealthy patrons are busy getting their hair done. To catch the British crooks targeting the ladies' valuables, Hammer disguises himself as a hairdresser, hoping to uncover their scheme and put an end to the heists.