Henry is a mixed-traffic engine.
Season 1 - Paxton Helps Out, Repairing Old Slow Coach (cameo), Bears (cameo), Dave the Diesel (cameo), Salty Fries (cameo), and James and the Ice Cream (cameo)
Season 2 - Unique Stafford, Rosie and the Flying Kipper, Trevor and the Mud (cameo), The Magic Railroad, Tim and Tom (cameo), Daisy and the Chickens (cameo), Sodor Blackout, Down by the Docks (cameo), Hiro goes Home, Off to the Scrapyards, and Thomas and the Christmas Surprise (cameo)
Season 3 - The Forest Fire, Henry and Stanley, Replacing the Logging Locos, The Gold Mine, Out of the Mine, Oliver and the Old Mansion, Musical Whistles, Snowmen, and Duke Returns
Season 4 - Diesel and the Barge, The Return of D199, Henry and the Coal, and Stanley and the Old Scrap
Season 5 - James and Dennis (cameo), Percy and the Jam (cameo) and Henry Go to the Sea