New holiday adventures of THE WILD THORNBERRYS and poignant favorites of RUGRATS and HEY, ARNOLD! will sweeten the Mother’s Day mix on Nickelodeon. Mom’s the word on Nickelodeon, May 10 - 13, 2001 when a quartet of live-action and animated series will sing her praises with all-new and favorite offerings. Episode premieres will chronicle the life-saving Mother's Day exploits of filmmaker Marianne in THE WILD THORNBERRYS ("Gem of a Mom," Thursday, May 10 at 8 pm; repeats May 12 at 6:30 pm and May 13 at noon). Returning favorites reveal surprises for HEY, ARNOLD'S title orphan (“Parents' Day,” Thursday, May 10 at 7 pm, repeats May 12 at 7 pm and May 13 at noon) and offer touching tributes to RUGRATS' moms (“Mother's Day,” Thursday, May 10 at 7:30 pm; repeats May 12 at 7:30 pm and May 13 at 9 am). All shows are ET/PT. For more information visit: www.nickelodeon.com