The Hotel Arlen is a hotel located in Arlen. It is a formal setting hotel since there is a piano player playing background music, and it's restaurant has a high tea which Bobby goes to skip running cross country during P.E. class, which requires a suit and tie. They also have ballrooms in the hotel which hosts events, which why the hotel is shown in multiple episodes.
Shins of the Father
In the episode Shins of the Father, Cotton takes Bobby to the hotel to try to buy him a prostitute, but the hotel isn't a brothel but a hotel where they were hosting a conference for the women trial lawyers association. Hank and Peggy then rush to the hotel which Hank tells his father Cotton he won't let his son grow up to be a "women-hating old fool", and tells him to head home with Didi.
Peggy's Pageant Fever
The Wedding of Bobby Hill
In the episode The Wedding of Bobby Hill, Luanne's boyfriend in the episode, Rad Thibodeaux go the hotel with Luanne where Rad gets the complimentary snacks for the guests, and Luanne cries to Rad saying that Buckley never took her to a place this fancy.
In the episode Hanky Panky, the hotel was used for a Texas Propane Dealers' Association where the Hill's and Luanne, Buck and his mistress Debbie were in attendance where Hank gets the Blue Flame of Valor award, and while Hank is giving his acceptance speech, Elizabeth "Miz Liz" Strickland interrupts, and calls out Buck in front of everyone for his infidelity while him and his mistress Debbie make out, and tells Buck that he is kicked out of the house, then apologizes to Hank that she interrupted his acceptance speech, and to start over again.
The Perils of Polling
In the episode The Perils of Polling, the hotel is used for the "Get Out the Vote" campaign rally where George W. Bush appears, which the Hill's got invited after Bobby rescues a pig from one of Bush's campaign managers, Charlotte Humes, which they also take Luanne since she is voting for Robert Parigi, a Communist. When Hank shakes Bush's hand, his handshake is completely limp which Hank's euphoria turns to utter shock.
The Substitute Spanish Prisoner
In the episode The Substitute Spanish Prisoner, the hotel is used for the meeting place of the "150 Smartest People in Texas" which is a scam after taking an online IQ test, you are a genius, which Peggy, Jimmy Wichard, and a group of "geniuses" take, where they were presented a phony Ph.D degree you can get at home by just completing a set of books which cost 999 dollars, which Peggy buys, and later discovers that it is a scam.
The Son Also Roses
The Good Buck
In the episode The Good Buck, when Bobby runs cross country for P.E. class, he runs by the hotel where he sees people have high tea inside the hotel's restaurant. He then goes in to get a table, but was turned down since they require a suit and tie in order to go in. The next time Bobby runs cross country for his P.E. class, when he reaches the hotel, he changes into a suit and tie, and attends high tea, and skips and hides from his P.E. class. The next time he goes in, his P.E. teacher catches him in the restaurant, which he goes in, but wasn't allowed in since he doesn't have a suit and tie. The next time, his P.E. teacher then wears a suit and tie, and picks up Bobby from the restaurant.