It was mostly business as usual when Jay Leno returned to 'The Tonight Show' (weeknights, 11:35PM ET, NBC) Monday night. The late night host joked, "I'm Jay Leno, your host ... at least for a while," alluding to the battle for the coveted NBC time slot with short-lived tenant Conan O'Brien.

Leno even mocked his return with an opening skit paying tribute to 'The Wizard of Oz,' in which he awoke saying, "There's no place like home." Eventually, Betty White who brought him back to reality.It was mostly business as usual when Jay Leno returned to 'The Tonight Show' (weeknights, 11:35PM ET, NBC) Monday night. The late night host joked, "I'm Jay Leno, your host ... at least for a while," alluding to the battle for the coveted NBC time slot with short-lived tenant Conan O'Brien. Leno even mocked his return with an opening skit paying tribute to 'The Wizard of Oz,' in which he awoke saying, "There's no place like home." Eventually, Betty White who brought him back to reality.