WEBWHO-DT2. REWINDTV. 13.2. Welcome Back Kotter. 10:00 AM - 10:30 AM. Oo-Oo, I Do, Part 2. When holding a bachelor party for Arnold, the Sweathogs tease him about married life; Arnold takes it all to heart and gets cold feet about the wedding. Welcome Back Kotter. 10:30 AM - 11:00 AM.