Thursday's TV highlights: 'Marlon' on NBC

Girlfriends’ Guide to Divorce When the comedy-drama returns for a fifth season, a red carpet event gives the friends reason to reflect on events of the past few months. Lisa Edelstein, Retta, Necar Zadegan, Beau Garrett and James Lesure star, with guest stars Aaron D. Spears and Steve Talley. 10 p.m. Bravo