“Howie Do It” (8 p.m. NBC): That wacky Howie Mandel headlines this practical joke

“Howie Do It” (8 p.m. NBC): That wacky Howie Mandel headlines this practical joke series.

“Stargate Atlantis” (9 p.m., Sci Fi): It’s not a great time to jump on the “Stargate Atlantis” bandwagon. The spaced-out series airs its 100th — and final — episode tonight. It has Atlantis racing to destroy an advanced wraith hive ship.