Channel 2 (Spectrum) and 12 (Hawaiian Telcom) (Subject to change, without notice. For updated information, call 521–8066.) “Penthouse 2,” Monday and Tuesday at 7:45 p.m.; repeats Tuesday and Wednesday at 2:15 p.m. Seo-Jin Cheon and Dan-Tae Joo prepare for their marriage and merger of their companies, but each fears possible betrayal by the other. Their…