Overview: Celebrating the power of friendships with actresses and childhood friends Tisha Campell and Tichina Arnold, who co-starred in the classic sitcom “Martin” and are now working on a new talk show. Plus, best friends who committed to a platonic marriage and building a family together. Also, the ultimate friendship: Born with spinal muscular atrophy and relying on a wheelchair, Kevan Chandler’s dream to travel came true when his friends carried him in a specially built backpack across Europe and China.